diff --git a/app/client/components/GristDoc.ts b/app/client/components/GristDoc.ts
index 4d89ad6a..1026014b 100644
--- a/app/client/components/GristDoc.ts
+++ b/app/client/components/GristDoc.ts
@@ -24,6 +24,7 @@ import {DocPluginManager} from 'app/client/lib/DocPluginManager';
 import {ImportSourceElement} from 'app/client/lib/ImportSourceElement';
 import {makeT} from 'app/client/lib/localization';
 import {createSessionObs} from 'app/client/lib/sessionObs';
+import {logTelemetryEvent} from 'app/client/lib/telemetry';
 import {setTestState} from 'app/client/lib/testState';
 import {selectFiles} from 'app/client/lib/uploads';
 import {AppModel, reportError} from 'app/client/models/AppModel';
@@ -62,7 +63,7 @@ import {DisposableWithEvents} from 'app/common/DisposableWithEvents';
 import {isSchemaAction, UserAction} from 'app/common/DocActions';
 import {OpenLocalDocResult} from 'app/common/DocListAPI';
 import {isList, isListType, isRefListType, RecalcWhen} from 'app/common/gristTypes';
-import {HashLink, IDocPage, isViewDocPage, SpecialDocPage, ViewDocPage} from 'app/common/gristUrls';
+import {HashLink, IDocPage, isViewDocPage, parseUrlId, SpecialDocPage, ViewDocPage} from 'app/common/gristUrls';
 import {undef, waitObs} from 'app/common/gutil';
 import {LocalPlugin} from "app/common/plugin";
 import {StringUnion} from 'app/common/StringUnion';
@@ -400,6 +401,16 @@ export class GristDoc extends DisposableWithEvents {
               && markAsSeen(this._seenDocTours, this.docId())
             );
             await startDocTour(this.docData, this.docComm, onFinishCB);
+            if (this.docPageModel.isTemplate.get()) {
+              const doc = this.docPageModel.currentDoc.get();
+              if (!doc) { return; }
+
+              logTelemetryEvent('openedTemplateTour', {
+                full: {
+                  templateId: parseUrlId(doc.urlId || doc.id).trunkId,
+                },
+              });
+            }
           } else {
             startWelcomeTour(() => this._showGristTour.set(false));
           }
diff --git a/app/client/models/DocPageModel.ts b/app/client/models/DocPageModel.ts
index 9b4cf3ac..689b23c2 100644
--- a/app/client/models/DocPageModel.ts
+++ b/app/client/models/DocPageModel.ts
@@ -27,6 +27,7 @@ import {Document, NEW_DOCUMENT_CODE, Organization, UserAPI, Workspace} from 'app
 import {Holder, Observable, subscribe} from 'grainjs';
 import {Computed, Disposable, dom, DomArg, DomElementArg} from 'grainjs';
 import {makeT} from 'app/client/lib/localization';
+import {logTelemetryEvent} from 'app/client/lib/telemetry';
 
 // tslint:disable:no-console
 
@@ -365,6 +366,14 @@ It also disables formulas. [{{error}}]", {error: err.message})
         await this.updateUrlNoReload(doc.urlId, doc.openMode);
       }
 
+      if (doc.isTemplate) {
+        logTelemetryEvent('openedTemplate', {
+          full: {
+            templateId: parseUrlId(doc.urlId || doc.id).trunkId,
+          },
+        });
+      }
+
       this.currentDoc.set(doc);
     }
 
diff --git a/app/client/ui/DocTutorial.ts b/app/client/ui/DocTutorial.ts
index 15b7368e..d2c170df 100644
--- a/app/client/ui/DocTutorial.ts
+++ b/app/client/ui/DocTutorial.ts
@@ -59,6 +59,8 @@ export class DocTutorial extends FloatingPopup {
     if (tableData) {
       this.autoDispose(tableData.tableActionEmitter.addListener(() => this._reloadSlides()));
     }
+
+    this._logTelemetryEvent('tutorialOpened');
   }
 
   protected _buildTitle() {
@@ -158,6 +160,24 @@ export class DocTutorial extends FloatingPopup {
     ];
   }
 
+  private _logTelemetryEvent(event: 'tutorialOpened' | 'tutorialProgressChanged') {
+    const currentSlideIndex = this._currentSlideIndex.get();
+    const numSlides = this._slides.get()?.length;
+    let percentComplete: number | undefined = undefined;
+    if (numSlides !== undefined && numSlides > 0) {
+      percentComplete = Math.floor(((currentSlideIndex + 1) / numSlides) * 100);
+    }
+    logTelemetryEvent(event, {
+      full: {
+        tutorialForkIdDigest: this._currentFork?.id,
+        tutorialTrunkIdDigest: this._currentFork?.trunkId,
+        lastSlideIndex: currentSlideIndex,
+        numSlides,
+        percentComplete,
+      },
+    });
+  }
+
   private async _loadSlides() {
     const tableId = 'GristDocTutorial';
     if (!this._docData.getTable(tableId)) {
@@ -234,7 +254,6 @@ export class DocTutorial extends FloatingPopup {
   private async _saveCurrentSlidePosition() {
     const currentOptions = this._currentDoc?.options ?? {};
     const currentSlideIndex = this._currentSlideIndex.get();
-    const numSlides = this._slides.get()?.length;
     await this._appModel.api.updateDoc(this._docId, {
       options: {
         ...currentOptions,
@@ -243,20 +262,7 @@ export class DocTutorial extends FloatingPopup {
         }
       }
     });
-
-    let percentComplete: number | undefined = undefined;
-    if (numSlides !== undefined && numSlides > 0) {
-      percentComplete = Math.floor(((currentSlideIndex + 1) / numSlides) * 100);
-    }
-    logTelemetryEvent('tutorialProgressChanged', {
-      full: {
-        tutorialForkIdDigest: this._currentFork?.id,
-        tutorialTrunkIdDigest: this._currentFork?.trunkId,
-        lastSlideIndex: currentSlideIndex,
-        numSlides,
-        percentComplete,
-      },
-    });
+    this._logTelemetryEvent('tutorialProgressChanged');
   }
 
   private async _changeSlide(slideIndex: number) {
diff --git a/app/client/ui/WelcomeCoachingCall.ts b/app/client/ui/WelcomeCoachingCall.ts
index 51077907..94b8bd3c 100644
--- a/app/client/ui/WelcomeCoachingCall.ts
+++ b/app/client/ui/WelcomeCoachingCall.ts
@@ -1,3 +1,4 @@
+import {logTelemetryEvent} from 'app/client/lib/telemetry';
 import {AppModel} from 'app/client/models/AppModel';
 import {bigBasicButton, bigPrimaryButtonLink} from 'app/client/ui2018/buttons';
 import {testId, theme, vars} from 'app/client/ui2018/cssVars';
@@ -93,7 +94,10 @@ export function showWelcomeCoachingCall(triggerElement: Element, appModel: AppMo
       cssPopupButtons(
         bigPrimaryButtonLink(
           'Schedule Call',
-          dom.on('click', () => dismissPopup(false)),
+          dom.on('click', () => {
+            dismissPopup(false);
+            logTelemetryEvent('clickedScheduleCoachingCall');
+          }),
           {
             href: FREE_COACHING_CALL_URL,
             target: '_blank',
diff --git a/app/client/widgets/FormulaAssistant.ts b/app/client/widgets/FormulaAssistant.ts
index 3da25c2e..2a8d50df 100644
--- a/app/client/widgets/FormulaAssistant.ts
+++ b/app/client/widgets/FormulaAssistant.ts
@@ -172,9 +172,16 @@ export class FormulaAssistant extends Disposable {
     this._triggerFinalize = bundleInfo.triggerFinalize;
     this.onDispose(() => {
       if (this._hasExpandedOnce) {
+        const suggestionApplied = this._chat.conversationSuggestedFormulas.get()
+          .includes(this._options.column.formula.peek());
+        if (suggestionApplied) {
+          this._logTelemetryEvent('assistantApplySuggestion', false, {
+            conversationLength: this._chat.conversationLength.get(),
+            conversationHistoryLength: this._chat.conversationHistoryLength.get(),
+          });
+        }
         this._logTelemetryEvent('assistantClose', false, {
-          suggestionApplied: this._chat.conversationSuggestedFormulas.get()
-            .includes(this._options.column.formula.peek()),
+          suggestionApplied,
           conversationLength: this._chat.conversationLength.get(),
           conversationHistoryLength: this._chat.conversationHistoryLength.get(),
         });
@@ -400,7 +407,9 @@ export class FormulaAssistant extends Disposable {
    */
   private _cancel() {
     if (this._hasExpandedOnce) {
-      this._logTelemetryEvent('assistantCancel', true);
+      this._logTelemetryEvent('assistantCancel', true, {
+        conversationLength: this._chat.conversationLength.get(),
+      });
     }
     this._action = 'cancel';
     this._triggerFinalize();
diff --git a/app/common/Telemetry.ts b/app/common/Telemetry.ts
index e5a0164e..77a1cb58 100644
--- a/app/common/Telemetry.ts
+++ b/app/common/Telemetry.ts
@@ -42,6 +42,7 @@ export const TelemetryContracts: TelemetryContracts = {
     },
   },
   assistantOpen: {
+    category: 'AIAssistant',
     description: 'Triggered when the AI Assistant is first opened.',
     minimumTelemetryLevel: Level.full,
     retentionPeriod: 'short',
@@ -69,6 +70,7 @@ export const TelemetryContracts: TelemetryContracts = {
     },
   },
   assistantSend: {
+    category: 'AIAssistant',
     description: 'Triggered when a message is sent to the AI Assistant.',
     minimumTelemetryLevel: Level.full,
     retentionPeriod: 'short',
@@ -112,7 +114,8 @@ export const TelemetryContracts: TelemetryContracts = {
     },
   },
   assistantReceive: {
-    description: 'Triggered when a message is received from the AI Assistant is received.',
+    category: 'AIAssistant',
+    description: 'Triggered when a message is received from the AI Assistant.',
     minimumTelemetryLevel: Level.full,
     retentionPeriod: 'short',
     metadataContracts: {
@@ -159,6 +162,7 @@ export const TelemetryContracts: TelemetryContracts = {
     },
   },
   assistantSave: {
+    category: 'AIAssistant',
     description: 'Triggered when changes in the expanded formula editor are saved after the AI Assistant ' +
       'was opened.',
     minimumTelemetryLevel: Level.full,
@@ -195,6 +199,7 @@ export const TelemetryContracts: TelemetryContracts = {
     },
   },
   assistantCancel: {
+    category: 'AIAssistant',
     description: 'Triggered when changes in the expanded formula editor are discarded after the AI Assistant ' +
       'was opened.',
     minimumTelemetryLevel: Level.full,
@@ -208,6 +213,10 @@ export const TelemetryContracts: TelemetryContracts = {
         description: 'A random identifier for the current conversation with the assistant.',
         dataType: 'string',
       },
+      conversationLength: {
+        description: 'The number of messages sent and received since opening the AI Assistant.',
+        dataType: 'number',
+      },
       context: {
         description: 'The type of assistant (e.g. "formula"), table id, and column id.',
         dataType: 'object',
@@ -222,7 +231,41 @@ export const TelemetryContracts: TelemetryContracts = {
       },
     },
   },
+  assistantApplySuggestion: {
+    category: 'AIAssistant',
+    description: 'Triggered when a suggested formula from one of the received messages was applied and saved.',
+    minimumTelemetryLevel: Level.full,
+    retentionPeriod: 'indefinitely',
+    metadataContracts: {
+      docIdDigest: {
+        description: 'A hash of the doc id.',
+        dataType: 'string',
+      },
+      conversationId: {
+        description: 'A random identifier for the current conversation with the assistant.',
+        dataType: 'string',
+      },
+      conversationLength: {
+        description: 'The number of messages sent and received since opening the AI Assistant.',
+        dataType: 'number',
+      },
+      conversationHistoryLength: {
+        description: "The number of messages in the conversation's history. May be less than conversationLength "
+          + "if the conversation history was cleared in the same session.",
+        dataType: 'number',
+      },
+      userId: {
+        description: 'The id of the user that triggered this event.',
+        dataType: 'number',
+      },
+      altSessionId: {
+        description: 'A random, session-based identifier for the user that triggered this event.',
+        dataType: 'string',
+      },
+    },
+  },
   assistantClearConversation: {
+    category: 'AIAssistant',
     description: 'Triggered when a conversation in the AI Assistant is cleared.',
     minimumTelemetryLevel: Level.full,
     retentionPeriod: 'short',
@@ -250,6 +293,7 @@ export const TelemetryContracts: TelemetryContracts = {
     },
   },
   assistantClose: {
+    category: 'AIAssistant',
     description: 'Triggered when a formula is saved or discarded after the AI Assistant was opened.',
     minimumTelemetryLevel: Level.full,
     retentionPeriod: 'indefinitely',
@@ -286,6 +330,7 @@ export const TelemetryContracts: TelemetryContracts = {
     },
   },
   beaconOpen: {
+    category: 'HelpCenter',
     description: 'Triggered when HelpScout Beacon is opened.',
     minimumTelemetryLevel: Level.full,
     retentionPeriod: 'indefinitely',
@@ -301,6 +346,7 @@ export const TelemetryContracts: TelemetryContracts = {
     },
   },
   beaconArticleViewed: {
+    category: 'HelpCenter',
     description: 'Triggered when an article is opened in HelpScout Beacon.',
     minimumTelemetryLevel: Level.full,
     retentionPeriod: 'indefinitely',
@@ -320,6 +366,7 @@ export const TelemetryContracts: TelemetryContracts = {
     },
   },
   beaconEmailSent: {
+    category: 'HelpCenter',
     description: 'Triggered when an email is sent in HelpScout Beacon.',
     minimumTelemetryLevel: Level.full,
     retentionPeriod: 'indefinitely',
@@ -335,6 +382,7 @@ export const TelemetryContracts: TelemetryContracts = {
     },
   },
   beaconSearch: {
+    category: 'HelpCenter',
     description: 'Triggered when a search is made in HelpScout Beacon.',
     minimumTelemetryLevel: Level.full,
     retentionPeriod: 'indefinitely',
@@ -806,7 +854,44 @@ export const TelemetryContracts: TelemetryContracts = {
       },
     },
   },
+  tutorialOpened: {
+    category: 'Tutorial',
+    description: 'Triggered when a tutorial is opened.',
+    minimumTelemetryLevel: Level.full,
+    retentionPeriod: 'indefinitely',
+    metadataContracts: {
+      tutorialForkIdDigest: {
+        description: 'A hash of the tutorial fork id.',
+        dataType: 'string',
+      },
+      tutorialTrunkIdDigest: {
+        description: 'A hash of the tutorial trunk id.',
+        dataType: 'string',
+      },
+      lastSlideIndex: {
+        description: 'The 0-based index of the last tutorial slide the user had open.',
+        dataType: 'number',
+      },
+      numSlides: {
+        description: 'The total number of slides in the tutorial.',
+        dataType: 'number',
+      },
+      percentComplete: {
+        description: 'Percentage of tutorial completion.',
+        dataType: 'number',
+      },
+      userId: {
+        description: 'The id of the user that triggered this event.',
+        dataType: 'number',
+      },
+      altSessionId: {
+        description: 'A random, session-based identifier for the user that triggered this event.',
+        dataType: 'string',
+      },
+    },
+  },
   tutorialProgressChanged: {
+    category: 'Tutorial',
     description: 'Triggered on changes to tutorial progress.',
     minimumTelemetryLevel: Level.full,
     retentionPeriod: 'indefinitely',
@@ -842,6 +927,7 @@ export const TelemetryContracts: TelemetryContracts = {
     },
   },
   tutorialRestarted: {
+    category: 'Tutorial',
     description: 'Triggered when a tutorial is restarted.',
     minimumTelemetryLevel: Level.full,
     retentionPeriod: 'indefinitely',
@@ -881,6 +967,7 @@ export const TelemetryContracts: TelemetryContracts = {
     },
   },
   watchedVideoTour: {
+    category: 'Welcome',
     description: 'Triggered when the video tour is closed.',
     minimumTelemetryLevel: Level.limited,
     retentionPeriod: 'indefinitely',
@@ -901,17 +988,14 @@ export const TelemetryContracts: TelemetryContracts = {
       },
     },
   },
-  welcomeQuestionsSubmitted: {
-    description: 'Triggered when the welcome questionnaire is submitted.',
+  answeredUseCaseQuestion: {
+    category: 'Welcome',
+    description: 'Triggered for each selected use case in the welcome questionnaire.',
     minimumTelemetryLevel: Level.full,
     retentionPeriod: 'indefinitely',
     metadataContracts: {
-      useCases: {
-        description: 'The selected use cases.',
-        dataType: 'string[]',
-      },
-      useOther: {
-        description: 'The value of the Other use case.',
+      useCase: {
+        description: 'The selected use case. If "Other", the response is also included.',
         dataType: 'string',
       },
       userId: {
@@ -920,6 +1004,164 @@ export const TelemetryContracts: TelemetryContracts = {
       },
     },
   },
+  clickedScheduleCoachingCall: {
+    category: 'Welcome',
+    description: 'Triggered when the link to schedule a coaching call is clicked.',
+    minimumTelemetryLevel: Level.full,
+    retentionPeriod: 'indefinitely',
+    metadataContracts: {
+      userId: {
+        description: 'The id of the user that triggered this event.',
+        dataType: 'number',
+      },
+      altSessionId: {
+        description: 'A random, session-based identifier for the user that triggered this event.',
+        dataType: 'string',
+      },
+    },
+  },
+  deletedAccount: {
+    category: 'SubscriptionPlan',
+    description: 'Triggered when an account is deleted.',
+    minimumTelemetryLevel: Level.full,
+    retentionPeriod: 'indefinitely',
+  },
+  createdSite: {
+    category: 'TeamSite',
+    description: 'Triggered when a site is created.',
+    minimumTelemetryLevel: Level.full,
+    retentionPeriod: 'indefinitely',
+    metadataContracts: {
+      siteId: {
+        description: 'The id of the site.',
+        dataType: 'number',
+      },
+      userId: {
+        description: 'The id of the user that triggered this event.',
+        dataType: 'number',
+      },
+    },
+  },
+  deletedSite: {
+    category: 'TeamSite',
+    description: 'Triggered when a site is deleted.',
+    minimumTelemetryLevel: Level.full,
+    retentionPeriod: 'indefinitely',
+    metadataContracts: {
+      siteId: {
+        description: 'The id of the site.',
+        dataType: 'number',
+      },
+      userId: {
+        description: 'The id of the user that triggered this event.',
+        dataType: 'number',
+      },
+    },
+  },
+  openedTemplate: {
+    category: 'TemplateUsage',
+    description: 'Triggered when a template is opened.',
+    minimumTelemetryLevel: Level.full,
+    retentionPeriod: 'indefinitely',
+    metadataContracts: {
+      templateId: {
+        description: 'The document id of the template.',
+        dataType: 'string',
+      },
+      userId: {
+        description: 'The id of the user that triggered this event.',
+        dataType: 'number',
+      },
+      altSessionId: {
+        description: 'A random, session-based identifier for the user that triggered this event.',
+        dataType: 'string',
+      },
+    },
+  },
+  openedTemplateTour: {
+    category: 'TemplateUsage',
+    description: 'Triggered when a document tour for a template is opened.',
+    minimumTelemetryLevel: Level.full,
+    retentionPeriod: 'indefinitely',
+    metadataContracts: {
+      templateId: {
+        description: 'The document id of the template.',
+        dataType: 'string',
+      },
+      userId: {
+        description: 'The id of the user that triggered this event.',
+        dataType: 'number',
+      },
+      altSessionId: {
+        description: 'A random, session-based identifier for the user that triggered this event.',
+        dataType: 'string',
+      },
+    },
+  },
+  subscribedToPlan: {
+    category: 'SubscriptionPlan',
+    description: 'Triggered on subscription to a plan.',
+    minimumTelemetryLevel: Level.full,
+    retentionPeriod: 'indefinitely',
+    metadataContracts: {
+      planName: {
+        description: 'The name of the plan.',
+        dataType: 'string',
+      },
+      userId: {
+        description: 'The id of the user that triggered this event.',
+        dataType: 'number',
+      },
+    },
+  },
+  cancelledPlan: {
+    category: 'SubscriptionPlan',
+    description: 'Triggered on cancellation of a plan.',
+    minimumTelemetryLevel: Level.full,
+    retentionPeriod: 'indefinitely',
+    metadataContracts: {
+      planName: {
+        description: 'The name of the plan.',
+        dataType: 'string',
+      },
+      userId: {
+        description: 'The id of the user that triggered this event.',
+        dataType: 'number',
+      },
+    },
+  },
+  createdWorkspace: {
+    category: 'DocumentUsage',
+    description: 'Triggered when a workspace is created.',
+    minimumTelemetryLevel: Level.full,
+    retentionPeriod: 'indefinitely',
+    metadataContracts: {
+      workspaceId: {
+        description: 'The id of the workspace.',
+        dataType: 'string',
+      },
+      userId: {
+        description: 'The id of the user that triggered this event.',
+        dataType: 'number',
+      },
+    },
+  },
+  deletedWorkspace: {
+    category: 'DocumentUsage',
+    description: 'Triggered when a workspace is deleted.',
+    minimumTelemetryLevel: Level.full,
+    retentionPeriod: 'indefinitely',
+    metadataContracts: {
+      workspaceId: {
+        description: 'The id of the workspace.',
+        dataType: 'number',
+      },
+      userId: {
+        description: 'The id of the user that triggered this event.',
+        dataType: 'number',
+      },
+    },
+  },
 };
 
 type TelemetryContracts = Record<TelemetryEvent, TelemetryEventContract>;
@@ -931,6 +1173,7 @@ export const TelemetryEvents = StringUnion(
   'assistantReceive',
   'assistantSave',
   'assistantCancel',
+  'assistantApplySuggestion',
   'assistantClearConversation',
   'assistantClose',
   'beaconOpen',
@@ -947,17 +1190,39 @@ export const TelemetryEvents = StringUnion(
   'signupVerified',
   'siteMembership',
   'siteUsage',
+  'tutorialOpened',
   'tutorialProgressChanged',
   'tutorialRestarted',
   'watchedVideoTour',
-  'welcomeQuestionsSubmitted',
+  'answeredUseCaseQuestion',
+  'clickedScheduleCoachingCall',
+  'deletedAccount',
+  'createdSite',
+  'deletedSite',
+  'openedTemplate',
+  'openedTemplateTour',
+  'subscribedToPlan',
+  'cancelledPlan',
+  'createdWorkspace',
+  'deletedWorkspace',
 );
 export type TelemetryEvent = typeof TelemetryEvents.type;
 
+type TelemetryEventCategory =
+  | 'AIAssistant'
+  | 'HelpCenter'
+  | 'TemplateUsage'
+  | 'Tutorial'
+  | 'Welcome'
+  | 'SubscriptionPlan'
+  | 'DocumentUsage'
+  | 'TeamSite';
+
 interface TelemetryEventContract {
   description: string;
   minimumTelemetryLevel: Level;
   retentionPeriod: TelemetryRetentionPeriod;
+  category?: TelemetryEventCategory;
   metadataContracts?: Record<string, MetadataContract>;
 }
 
diff --git a/app/gen-server/ApiServer.ts b/app/gen-server/ApiServer.ts
index 26f91e2d..260d1971 100644
--- a/app/gen-server/ApiServer.ts
+++ b/app/gen-server/ApiServer.ts
@@ -189,8 +189,15 @@ export class ApiServer {
     // Body params: name
     // Create a new workspace owned by the specific organization.
     this._app.post('/api/orgs/:oid/workspaces', expressWrap(async (req, res) => {
+      const mreq = req as RequestWithLogin;
       const org = getOrgKey(req);
       const query = await this._dbManager.addWorkspace(getScope(req), org, req.body);
+      this._gristServer.getTelemetry().logEvent(mreq, 'createdWorkspace', {
+        full: {
+          workspaceId: query.data,
+          userId: mreq.userId,
+        },
+      });
       return sendReply(req, res, query);
     }));
 
@@ -206,8 +213,15 @@ export class ApiServer {
     // DELETE /api/workspaces/:wid
     // Delete the specified workspace and all included docs.
     this._app.delete('/api/workspaces/:wid', expressWrap(async (req, res) => {
+      const mreq = req as RequestWithLogin;
       const wsId = integerParam(req.params.wid, 'wid');
       const query = await this._dbManager.deleteWorkspace(getScope(req), wsId);
+      this._gristServer.getTelemetry().logEvent(mreq, 'deletedWorkspace', {
+        full: {
+          workspaceId: wsId,
+          userId: mreq.userId,
+        },
+      });
       return sendReply(req, res, query);
     }));
 
@@ -217,7 +231,14 @@ export class ApiServer {
     this._app.post('/api/workspaces/:wid/remove', expressWrap(async (req, res) => {
       const wsId = integerParam(req.params.wid, 'wid');
       if (isParameterOn(req.query.permanent)) {
+        const mreq = req as RequestWithLogin;
         const query = await this._dbManager.deleteWorkspace(getScope(req), wsId);
+        this._gristServer.getTelemetry().logEvent(mreq, 'deletedWorkspace', {
+          full: {
+            workspaceId: wsId,
+            userId: mreq.userId,
+          },
+        });
         return sendReply(req, res, query);
       } else {
         await this._dbManager.softDeleteWorkspace(getScope(req), wsId);
@@ -240,7 +261,7 @@ export class ApiServer {
       const mreq = req as RequestWithLogin;
       const wsId = integerParam(req.params.wid, 'wid');
       const query = await this._dbManager.addDocument(getScope(req), wsId, req.body);
-      this._gristServer.getTelemetry().logEvent('documentCreated', {
+      this._gristServer.getTelemetry().logEvent(mreq, 'documentCreated', {
         limited: {
           docIdDigest: query.data!,
           sourceDocIdDigest: undefined,
@@ -252,8 +273,7 @@ export class ApiServer {
           userId: mreq.userId,
           altSessionId: mreq.altSessionId,
         },
-      })
-      .catch(e => log.error('failed to log telemetry event documentCreated', e));
+      });
       return sendReply(req, res, query);
     }));
 
diff --git a/app/gen-server/lib/Housekeeper.ts b/app/gen-server/lib/Housekeeper.ts
index 5784976b..18c0ada9 100644
--- a/app/gen-server/lib/Housekeeper.ts
+++ b/app/gen-server/lib/Housekeeper.ts
@@ -178,7 +178,7 @@ export class Housekeeper {
     await this._dbManager.connection.transaction('READ UNCOMMITTED', async (manager) => {
       const usageSummaries = await this._getOrgUsageSummaries(manager);
       for (const summary of usageSummaries) {
-        this._telemetry.logEvent('siteUsage', {
+        this._telemetry.logEvent(null, 'siteUsage', {
           limited: {
             siteId: summary.site_id,
             siteType: summary.site_type,
@@ -192,13 +192,12 @@ export class Housekeeper {
           full: {
             stripePlanId: summary.stripe_plan_id,
           },
-        })
-        .catch(e => log.error('failed to log telemetry event siteUsage', e));
+        });
       }
 
       const membershipSummaries = await this._getOrgMembershipSummaries(manager);
       for (const summary of membershipSummaries) {
-        this._telemetry.logEvent('siteMembership', {
+        this._telemetry.logEvent(null, 'siteMembership', {
           limited: {
             siteId: summary.site_id,
             siteType: summary.site_type,
@@ -206,8 +205,7 @@ export class Housekeeper {
             numEditors: Number(summary.num_editors),
             numViewers: Number(summary.num_viewers),
           },
-        })
-        .catch(e => log.error('failed to log telemetry event siteMembership', e));
+        });
       }
     });
   }
diff --git a/app/server/lib/ActiveDoc.ts b/app/server/lib/ActiveDoc.ts
index 96bc80ea..bd24e94f 100644
--- a/app/server/lib/ActiveDoc.ts
+++ b/app/server/lib/ActiveDoc.ts
@@ -89,7 +89,6 @@ import {Authorizer, RequestWithLogin} from 'app/server/lib/Authorizer';
 import {checksumFile} from 'app/server/lib/checksumFile';
 import {Client} from 'app/server/lib/Client';
 import {DEFAULT_CACHE_TTL, DocManager} from 'app/server/lib/DocManager';
-import {getTemplateOrg} from 'app/server/lib/gristSettings';
 import {ICreateActiveDocOptions} from 'app/server/lib/ICreate';
 import {makeForkIds} from 'app/server/lib/idUtils';
 import {GRIST_DOC_SQL, GRIST_DOC_WITH_TABLE1_SQL} from 'app/server/lib/initialDocSql';
@@ -1420,9 +1419,7 @@ export class ActiveDoc extends EventEmitter {
 
       await dbManager.forkDoc(userId, doc, forkIds.forkId);
 
-      // TODO: Remove the right side once all template docs have their type set to "template".
-      const isTemplate = doc.type === 'template' ||
-        (doc.workspace.org.domain === getTemplateOrg() && doc.type !== 'tutorial');
+      const isTemplate = doc.type === 'template';
       this.logTelemetryEvent(docSession, 'documentForked', {
         limited: {
           forkIdDigest: forkIds.forkId,
@@ -1827,11 +1824,10 @@ export class ActiveDoc extends EventEmitter {
     event: TelemetryEvent,
     metadata?: TelemetryMetadataByLevel
   ) {
-    this._docManager.gristServer.getTelemetry().logEvent(event, merge(
+    this._docManager.gristServer.getTelemetry().logEvent(docSession, event, merge(
       this._getTelemetryMeta(docSession),
       metadata,
-    ))
-    .catch(e => this._log.error(docSession, `failed to log telemetry event ${event}`, e));
+    ));
   }
 
   /**
diff --git a/app/server/lib/AppEndpoint.ts b/app/server/lib/AppEndpoint.ts
index 5af03097..eb6cc661 100644
--- a/app/server/lib/AppEndpoint.ts
+++ b/app/server/lib/AppEndpoint.ts
@@ -19,7 +19,6 @@ import {customizeDocWorkerUrl, getWorker, useWorkerPool} from 'app/server/lib/Do
 import {expressWrap} from 'app/server/lib/expressWrap';
 import {DocTemplate, GristServer} from 'app/server/lib/GristServer';
 import {getCookieDomain} from 'app/server/lib/gristSessions';
-import {getTemplateOrg} from 'app/server/lib/gristSettings';
 import {getAssignmentId} from 'app/server/lib/idUtils';
 import log from 'app/server/lib/log';
 import {addOrgToPathIfNeeded, pruneAPIResult, trustOrigin} from 'app/server/lib/requestUtils';
@@ -165,11 +164,9 @@ export function attachAppEndpoint(options: AttachOptions): void {
 
     const isPublic = ((doc as unknown) as APIDocument).public ?? false;
     const isSnapshot = Boolean(parseUrlId(urlId).snapshotId);
-    // TODO: Remove the right side once all template docs have their type set to "template".
-    const isTemplate = doc.type === 'template' ||
-      (doc.workspace.org.domain === getTemplateOrg() && doc.type !== 'tutorial');
+    const isTemplate = doc.type === 'template';
     if (isPublic || isTemplate) {
-      gristServer.getTelemetry().logEvent('documentOpened', {
+      gristServer.getTelemetry().logEvent(mreq, 'documentOpened', {
         limited: {
           docIdDigest: docId,
           access: doc.access,
@@ -184,8 +181,7 @@ export function attachAppEndpoint(options: AttachOptions): void {
           userId: mreq.userId,
           altSessionId: mreq.altSessionId,
         },
-      })
-      .catch(e => log.error('failed to log telemetry event documentOpened', e));
+      });
     }
 
     if (isTemplate) {
diff --git a/app/server/lib/Authorizer.ts b/app/server/lib/Authorizer.ts
index 033a56d5..f13f5657 100644
--- a/app/server/lib/Authorizer.ts
+++ b/app/server/lib/Authorizer.ts
@@ -397,14 +397,13 @@ export async function addRequestUser(dbManager: HomeDBManager, permitStore: IPer
   };
   log.rawDebug(`Auth[${meta.method}]: ${meta.host} ${meta.path}`, meta);
   if (hasApiKey) {
-    options.gristServer.getTelemetry().logEvent('apiUsage', {
+    options.gristServer.getTelemetry().logEvent(mreq, 'apiUsage', {
       full: {
         method: mreq.method,
         userId: mreq.userId,
         userAgent: mreq.headers['user-agent'],
       },
-    })
-    .catch(e => log.error('failed to log telemetry event apiUsage', e));
+    });
   }
 
   return next();
diff --git a/app/server/lib/DocApi.ts b/app/server/lib/DocApi.ts
index 03fed713..a0624204 100644
--- a/app/server/lib/DocApi.ts
+++ b/app/server/lib/DocApi.ts
@@ -1044,7 +1044,7 @@ export class DocWorkerApi {
           const tutorialTrunkId = options.sourceDocId;
           await this._dbManager.connection.transaction(async (manager) => {
             // Fetch the tutorial trunk doc so we can replace the tutorial doc's name.
-            const tutorialTrunk = await this._dbManager.getRawDocById(tutorialTrunkId, manager);
+            const tutorialTrunk = await this._dbManager.getDoc({...scope, urlId: tutorialTrunkId}, manager);
             await this._dbManager.updateDocument(
               scope,
               {
@@ -1152,7 +1152,7 @@ export class DocWorkerApi {
       const userId = getUserId(req);
       const wsId = integerParam(req.params.wid, 'wid');
       const uploadId = integerParam(req.body.uploadId, 'uploadId');
-      const result = await this._docManager.importDocToWorkspace({
+      const result = await this._docManager.importDocToWorkspace(mreq, {
         userId,
         uploadId,
         workspaceId: wsId,
@@ -1284,7 +1284,7 @@ export class DocWorkerApi {
           asTemplate: optBooleanParam(parameters.asTemplate, 'asTemplate'),
         });
       } else if (uploadId !== undefined) {
-        const result = await this._docManager.importDocToWorkspace({
+        const result = await this._docManager.importDocToWorkspace(mreq, {
           userId,
           uploadId,
           documentName: optStringParam(parameters.documentName, 'documentName'),
@@ -1343,7 +1343,7 @@ export class DocWorkerApi {
     }
 
     // Then, import the copy to the workspace.
-    const result = await this._docManager.importDocToWorkspace({
+    const result = await this._docManager.importDocToWorkspace(mreq, {
       userId,
       uploadId: uploadResult.uploadId,
       documentName,
@@ -1419,13 +1419,12 @@ export class DocWorkerApi {
 
   private _logDocumentCreatedTelemetryEvent(req: Request, metadata: TelemetryMetadataByLevel) {
     const mreq = req as RequestWithLogin;
-    this._grist.getTelemetry().logEvent('documentCreated', _.merge({
+    this._grist.getTelemetry().logEvent(mreq, 'documentCreated', _.merge({
       full: {
         userId: mreq.userId,
         altSessionId: mreq.altSessionId,
       },
-    }, metadata))
-    .catch(e => log.error('failed to log telemetry event documentCreated', e));
+    }, metadata));
   }
 
   /**
diff --git a/app/server/lib/DocManager.ts b/app/server/lib/DocManager.ts
index 123477c9..766a735c 100644
--- a/app/server/lib/DocManager.ts
+++ b/app/server/lib/DocManager.ts
@@ -15,7 +15,8 @@ import {tbind} from 'app/common/tbind';
 import {TelemetryMetadataByLevel} from 'app/common/Telemetry';
 import {NEW_DOCUMENT_CODE} from 'app/common/UserAPI';
 import {HomeDBManager} from 'app/gen-server/lib/HomeDBManager';
-import {assertAccess, Authorizer, DocAuthorizer, DummyAuthorizer, isSingleUserMode} from 'app/server/lib/Authorizer';
+import {assertAccess, Authorizer, DocAuthorizer, DummyAuthorizer, isSingleUserMode,
+        RequestWithLogin} from 'app/server/lib/Authorizer';
 import {Client} from 'app/server/lib/Client';
 import {
   getDocSessionCachedDoc,
@@ -198,7 +199,7 @@ export class DocManager extends EventEmitter {
    *
    * Cleans up `uploadId` and returns creation info about the imported doc.
    */
-  public async importDocToWorkspace(options: {
+  public async importDocToWorkspace(mreq: RequestWithLogin, options: {
     userId: number,
     uploadId: number,
     documentName?: string,
@@ -232,14 +233,13 @@ export class DocManager extends EventEmitter {
       userId,
     });
 
-    this.gristServer.getTelemetry().logEvent('documentCreated', merge({
+    this.gristServer.getTelemetry().logEvent(mreq, 'documentCreated', merge({
       limited: {
         docIdDigest: docCreationInfo.id,
         fileType: uploadInfo.files[0].ext.trim().slice(1),
         isSaved: workspaceId !== undefined,
       },
-    }, telemetryMetadata))
-    .catch(e => log.error('failed to log telemetry event documentCreated', e));
+    }, telemetryMetadata));
 
     return docCreationInfo;
     // The imported document is associated with the worker that did the import.
diff --git a/app/server/lib/FlexServer.ts b/app/server/lib/FlexServer.ts
index 659b49f2..0e937fe5 100644
--- a/app/server/lib/FlexServer.ts
+++ b/app/server/lib/FlexServer.ts
@@ -1309,6 +1309,7 @@ export class FlexServer implements GristServer {
         // to other (not public) team sites.
         const doom = await createDoom(req);
         await doom.deleteUser(userId);
+        this.getTelemetry().logEvent(req as RequestWithLogin, 'deletedAccount');
         return resp.status(200).json(true);
       }));
 
@@ -1341,6 +1342,14 @@ export class FlexServer implements GristServer {
         // Reuse Doom cli tool for org deletion. Note, this removes everything as a super user.
         const doom = await createDoom(req);
         await doom.deleteOrg(org.id);
+
+        this.getTelemetry().logEvent(req as RequestWithLogin, 'deletedSite', {
+          full: {
+            siteId: org.id,
+            userId: mreq.userId,
+          },
+        });
+
         return resp.status(200).send();
       }));
     }
@@ -1442,14 +1451,15 @@ export class FlexServer implements GristServer {
         // If we failed to record, at least log the data, so we could potentially recover it.
         log.rawWarn(`Failed to record new user info: ${e.message}`, {newUserQuestions: row});
       });
-      this.getTelemetry().logEvent('welcomeQuestionsSubmitted', {
-        full: {
-          userId,
-          useCases,
-          useOther,
-        },
-      })
-      .catch(e => log.error('failed to log telemetry event welcomeQuestionsSubmitted', e));
+      const nonOtherUseCases = useCases.filter(useCase => useCase !== 'Other');
+      for (const useCase of [...nonOtherUseCases, ...(useOther ? [`Other - ${useOther}`] : [])]) {
+        this.getTelemetry().logEvent(req as RequestWithLogin, 'answeredUseCaseQuestion', {
+          full: {
+            userId,
+            useCase,
+          },
+        });
+      }
 
       resp.status(200).send();
     }), jsonErrorHandler); // Add a final error handler that reports errors as JSON.
diff --git a/app/server/lib/GristServer.ts b/app/server/lib/GristServer.ts
index 3a5ab13d..65e3cade 100644
--- a/app/server/lib/GristServer.ts
+++ b/app/server/lib/GristServer.ts
@@ -154,7 +154,8 @@ export function createDummyTelemetry(): ITelemetry {
     addEndpoints() { /* do nothing */ },
     addPages() { /* do nothing */ },
     start() { return Promise.resolve(); },
-    logEvent() { return Promise.resolve(); },
+    logEvent() { /* do nothing */ },
+    logEventAsync() { return Promise.resolve(); },
     getTelemetryConfig() { return undefined; },
     fetchTelemetryPrefs() { return Promise.resolve(); },
   };
diff --git a/app/server/lib/ProcessMonitor.ts b/app/server/lib/ProcessMonitor.ts
index e830e9d9..a2879ffe 100644
--- a/app/server/lib/ProcessMonitor.ts
+++ b/app/server/lib/ProcessMonitor.ts
@@ -1,4 +1,3 @@
-import log from 'app/server/lib/log';
 import { ITelemetry } from 'app/server/lib/Telemetry';
 
 const MONITOR_PERIOD_MS = 5_000;        // take a look at memory usage this often
@@ -67,15 +66,14 @@ function monitor(telemetry: ITelemetry) {
     Math.abs(heapUsed - _lastReportedHeapUsed) > _lastReportedHeapUsed * MEMORY_DELTA_FRACTION ||
     Math.abs(cpuAverage - _lastReportedCpuAverage) > CPU_DELTA_FRACTION
   ) {
-    telemetry.logEvent('processMonitor', {
+    telemetry.logEvent(null, 'processMonitor', {
       full: {
         heapUsedMB: Math.round(memoryUsage.heapUsed/1024/1024),
         heapTotalMB: Math.round(memoryUsage.heapTotal/1024/1024),
         cpuAverage: Math.round(cpuAverage * 100) / 100,
         intervalMs,
       },
-    })
-    .catch(e => log.error('failed to log telemetry event processMonitor', e));
+    });
     _lastReportedHeapUsed = heapUsed;
     _lastReportedCpuAverage = cpuAverage;
     _lastReportTime = now;
diff --git a/app/server/lib/Telemetry.ts b/app/server/lib/Telemetry.ts
index 4c7cb2d2..17c23bc8 100644
--- a/app/server/lib/Telemetry.ts
+++ b/app/server/lib/Telemetry.ts
@@ -19,22 +19,35 @@ import {Activation} from 'app/gen-server/entity/Activation';
 import {Activations} from 'app/gen-server/lib/Activations';
 import {HomeDBManager} from 'app/gen-server/lib/HomeDBManager';
 import {RequestWithLogin} from 'app/server/lib/Authorizer';
+import {getDocSessionUser, OptDocSession} from 'app/server/lib/DocSession';
 import {expressWrap} from 'app/server/lib/expressWrap';
 import {GristServer} from 'app/server/lib/GristServer';
 import {hashId} from 'app/server/lib/hashingUtils';
 import {LogMethods} from 'app/server/lib/LogMethods';
 import {stringParam} from 'app/server/lib/requestUtils';
+import {getLogMetaFromDocSession} from 'app/server/lib/serverUtils';
 import * as express from 'express';
 import fetch from 'node-fetch';
 import merge = require('lodash/merge');
 import pickBy = require('lodash/pickBy');
 
+type RequestOrSession = RequestWithLogin | OptDocSession | null;
+
 export interface ITelemetry {
   start(): Promise<void>;
-  logEvent(name: TelemetryEvent, metadata?: TelemetryMetadataByLevel): Promise<void>;
+  logEvent(
+    requestOrSession: RequestOrSession,
+    name: TelemetryEvent,
+    metadata?: TelemetryMetadataByLevel
+  ): void;
+  logEventAsync(
+    requestOrSession: RequestOrSession,
+    name: TelemetryEvent,
+    metadata?: TelemetryMetadataByLevel
+  ): Promise<void>;
   addEndpoints(app: express.Express): void;
   addPages(app: express.Express, middleware: express.RequestHandler[]): void;
-  getTelemetryConfig(): TelemetryConfig | undefined;
+  getTelemetryConfig(requestOrSession?: RequestOrSession): TelemetryConfig | undefined;
   fetchTelemetryPrefs(): Promise<void>;
 }
 
@@ -51,7 +64,8 @@ export class Telemetry implements ITelemetry {
   private readonly _forwardTelemetryEventsUrl = process.env.GRIST_TELEMETRY_URL ||
     'https://telemetry.getgrist.com/api/telemetry';
   private _numPendingForwardEventRequests = 0;
-  private readonly _logger = new LogMethods('Telemetry ', () => ({}));
+  private readonly _logger = new LogMethods('Telemetry ', (requestOrSession: RequestOrSession | undefined) =>
+    this._getLogMeta(requestOrSession));
   private readonly _telemetryLogger = new LogMethods<string>('Telemetry ', (eventType) => ({
     eventType,
   }));
@@ -105,34 +119,27 @@ export class Telemetry implements ITelemetry {
    * });
    * ```
    */
-  public async logEvent(
+  public async logEventAsync(
+    requestOrSession: RequestOrSession,
     event: TelemetryEvent,
     metadata?: TelemetryMetadataByLevel
   ) {
-    if (!this._checkTelemetryEvent) {
-      this._logger.error(undefined, 'logEvent called but telemetry event checker is undefined');
-      return;
-    }
+    await this._checkAndLogEvent(requestOrSession, event, metadata);
+  }
 
-    const prefs = this._telemetryPrefs;
-    if (!prefs) {
-      this._logger.error(undefined, 'logEvent called but telemetry preferences are undefined');
-      return;
-    }
-
-    const {telemetryLevel} = prefs;
-    if (TelemetryContracts[event] && TelemetryContracts[event].minimumTelemetryLevel > Level[telemetryLevel.value]) {
-      return;
-    }
-
-    metadata = filterMetadata(metadata, telemetryLevel.value);
-    this._checkTelemetryEvent(event, metadata);
-
-    if (this._shouldForwardTelemetryEvents) {
-      await this._forwardEvent(event, metadata);
-    } else {
-      this._logEvent(event, metadata);
-    }
+  /**
+   * Non-async variant of `logEventAsync`.
+   *
+   * Convenient for fire-and-forget usage.
+   */
+  public logEvent(
+    requestOrSession: RequestOrSession,
+    event: TelemetryEvent,
+    metadata?: TelemetryMetadataByLevel
+  ) {
+    this.logEventAsync(requestOrSession, event, metadata).catch((e) => {
+      this._logger.error(requestOrSession, `failed to log telemetry event ${event}`, e);
+    });
   }
 
   public addEndpoints(app: express.Application) {
@@ -151,7 +158,7 @@ export class Telemetry implements ITelemetry {
     app.post('/api/telemetry', expressWrap(async (req, resp) => {
       const mreq = req as RequestWithLogin;
       const event = stringParam(req.body.event, 'event', {allowed: TelemetryEvents.values}) as TelemetryEvent;
-      if ('eventSource' in req.body.metadata) {
+      if ('eventSource' in (req.body.metadata ?? {})) {
         this._telemetryLogger.rawLog('info', getEventType(event), event, {
           ...(removeNullishKeys(req.body.metadata)),
           eventName: event,
@@ -159,7 +166,7 @@ export class Telemetry implements ITelemetry {
       } else {
         try {
           this._assertTelemetryIsReady();
-          await this.logEvent(event, merge(
+          await this._checkAndLogEvent(mreq, event, merge(
             {
               full: {
                 userId: mreq.userId,
@@ -169,7 +176,7 @@ export class Telemetry implements ITelemetry {
             req.body.metadata,
           ));
         } catch (e) {
-          this._logger.error(undefined, `failed to log telemetry event ${event}`, e);
+          this._logger.error(mreq, `failed to log telemetry event ${event}`, e);
           throw new ApiError(`Telemetry failed to log telemetry event ${event}`, 500);
         }
       }
@@ -186,10 +193,10 @@ export class Telemetry implements ITelemetry {
     }
   }
 
-  public getTelemetryConfig(): TelemetryConfig | undefined {
+  public getTelemetryConfig(requestOrSession?: RequestOrSession): TelemetryConfig | undefined {
     const prefs = this._telemetryPrefs;
     if (!prefs) {
-      this._logger.error(undefined, 'getTelemetryConfig called but telemetry preferences are undefined');
+      this._logger.error(requestOrSession, 'getTelemetryConfig called but telemetry preferences are undefined');
       return undefined;
     }
 
@@ -208,41 +215,88 @@ export class Telemetry implements ITelemetry {
     this._checkTelemetryEvent = buildTelemetryEventChecker(this._telemetryPrefs.telemetryLevel.value);
   }
 
+  private async _checkAndLogEvent(
+    requestOrSession: RequestOrSession,
+    event: TelemetryEvent,
+    metadata?: TelemetryMetadataByLevel
+  ) {
+    if (!this._checkTelemetryEvent) {
+      this._logger.error(null, 'logEvent called but telemetry event checker is undefined');
+      return;
+    }
+
+    const prefs = this._telemetryPrefs;
+    if (!prefs) {
+      this._logger.error(null, 'logEvent called but telemetry preferences are undefined');
+      return;
+    }
+
+    const {telemetryLevel} = prefs;
+    if (TelemetryContracts[event] && TelemetryContracts[event].minimumTelemetryLevel > Level[telemetryLevel.value]) {
+      return;
+    }
+
+    metadata = filterMetadata(metadata, telemetryLevel.value);
+    this._checkTelemetryEvent(event, metadata);
+
+    if (this._shouldForwardTelemetryEvents) {
+      await this._forwardEvent(requestOrSession, event, metadata);
+    } else {
+      this._logEvent(requestOrSession, event, metadata);
+    }
+  }
+
   private _logEvent(
+    requestOrSession: RequestOrSession,
     event: TelemetryEvent,
     metadata?: TelemetryMetadata
   ) {
+    let isInternalUser: boolean | undefined;
+    if (requestOrSession) {
+      const email = ('get' in requestOrSession)
+        ? requestOrSession.user?.loginEmail
+        : getDocSessionUser(requestOrSession)?.email;
+      if (email) {
+        isInternalUser = email !== 'anon@getgrist.com' && email.endsWith('@getgrist.com');
+      }
+    }
+    const {category: eventCategory} = TelemetryContracts[event];
     this._telemetryLogger.rawLog('info', getEventType(event), event, {
       ...metadata,
       eventName: event,
+      ...(eventCategory !== undefined ? {eventCategory} : undefined),
       eventSource: `grist-${this._deploymentType}`,
       installationId: this._activation!.id,
+      ...(isInternalUser !== undefined ? {isInternalUser} : undefined),
     });
   }
 
   private async _forwardEvent(
+    requestOrSession: RequestOrSession,
     event: TelemetryEvent,
     metadata?: TelemetryMetadata
   ) {
     if (this._numPendingForwardEventRequests === MAX_PENDING_FORWARD_EVENT_REQUESTS) {
-      this._logger.warn(undefined, 'exceeded the maximum number of pending forwardEvent calls '
+      this._logger.warn(requestOrSession, 'exceeded the maximum number of pending forwardEvent calls '
         + `(${MAX_PENDING_FORWARD_EVENT_REQUESTS}). Skipping forwarding of event ${event}.`);
       return;
     }
 
     try {
       this._numPendingForwardEventRequests += 1;
+      const {category: eventCategory} = TelemetryContracts[event];
       await this._doForwardEvent(JSON.stringify({
         event,
         metadata: {
           ...metadata,
           eventName: event,
+          ...(eventCategory !== undefined ? {eventCategory} : undefined),
           eventSource: `grist-${this._deploymentType}`,
           installationId: this._activation!.id,
-        }
+        },
       }));
     } catch (e) {
-      this._logger.error(undefined, `failed to forward telemetry event ${event}`, e);
+      this._logger.error(requestOrSession, `failed to forward telemetry event ${event}`, e);
     } finally {
       this._numPendingForwardEventRequests -= 1;
     }
@@ -266,6 +320,21 @@ export class Telemetry implements ITelemetry {
       throw new ApiError('Telemetry is not ready', 500);
     }
   }
+
+  private _getLogMeta(requestOrSession?: RequestOrSession) {
+    if (!requestOrSession) { return {}; }
+
+    if ('get' in requestOrSession) {
+      return {
+        org: requestOrSession.org,
+        email: requestOrSession.user?.loginEmail,
+        userId: requestOrSession.userId,
+        altSessionId: requestOrSession.altSessionId,
+      };
+    } else {
+      return getLogMetaFromDocSession(requestOrSession);
+    }
+  }
 }
 
 export async function getTelemetryPrefs(
diff --git a/app/server/lib/sendAppPage.ts b/app/server/lib/sendAppPage.ts
index 3de1dc1c..dac64ffc 100644
--- a/app/server/lib/sendAppPage.ts
+++ b/app/server/lib/sendAppPage.ts
@@ -83,7 +83,7 @@ export function makeGristConfig(options: MakeGristConfigOptions): GristLoadConfi
     gristNewColumnMenu: isAffirmative(process.env.GRIST_NEW_COLUMN_MENU),
     supportEmail: SUPPORT_EMAIL,
     userLocale: (req as RequestWithLogin | undefined)?.user?.options?.locale,
-    telemetry: server?.getTelemetry().getTelemetryConfig(),
+    telemetry: server?.getTelemetry().getTelemetryConfig(req as RequestWithLogin | undefined),
     deploymentType: server?.getDeploymentType(),
     templateOrg: getTemplateOrg(),
     canCloseAccount: isAffirmative(process.env.GRIST_ACCOUNT_CLOSE),
diff --git a/test/server/lib/Telemetry.ts b/test/server/lib/Telemetry.ts
index 08991e34..e0bd199f 100644
--- a/test/server/lib/Telemetry.ts
+++ b/test/server/lib/Telemetry.ts
@@ -110,7 +110,7 @@ describe('Telemetry', function() {
         if (deploymentType === 'saas') {
           it('logs telemetry events', async function() {
             if (telemetryLevel === 'limited') {
-              await telemetry.logEvent('documentOpened', {
+              telemetry.logEvent(null, 'documentOpened', {
                 limited: {
                   docIdDigest: 'digest',
                   isPublic: false,
@@ -129,7 +129,7 @@ describe('Telemetry', function() {
             }
 
             if (telemetryLevel === 'full') {
-              await telemetry.logEvent('documentOpened', {
+              telemetry.logEvent(null, 'documentOpened', {
                 limited: {
                   docIdDigest: 'digest',
                   isPublic: false,
@@ -157,13 +157,14 @@ describe('Telemetry', function() {
         } else {
           it('forwards telemetry events', async function() {
             if (telemetryLevel === 'limited') {
-              await telemetry.logEvent('documentOpened', {
+              telemetry.logEvent(null, 'documentOpened', {
                 limited: {
                   docIdDigest: 'digest',
                   isPublic: false,
                 },
               });
               assert.deepEqual(forwardEventSpy.lastCall.args, [
+                null,
                 'documentOpened',
                 {
                   docIdDigest: 'dige:Vq9L3nCkeufQ8euzDkXtM2Fl1cnsALqakjEeM6QlbXQ=',
@@ -174,7 +175,7 @@ describe('Telemetry', function() {
             }
 
             if (telemetryLevel === 'full') {
-              await telemetry.logEvent('documentOpened', {
+              telemetry.logEvent(null, 'documentOpened', {
                 limited: {
                   docIdDigest: 'digest',
                   isPublic: false,
@@ -184,6 +185,7 @@ describe('Telemetry', function() {
                 },
               });
               assert.deepEqual(forwardEventSpy.lastCall.args, [
+                null,
                 'documentOpened',
                 {
                   docIdDigest: 'dige:Vq9L3nCkeufQ8euzDkXtM2Fl1cnsALqakjEeM6QlbXQ=',
@@ -200,7 +202,7 @@ describe('Telemetry', function() {
         }
       } else {
         it('does not log telemetry events', async function() {
-          await telemetry.logEvent('documentOpened', {
+          telemetry.logEvent(null, 'documentOpened', {
             limited: {
               docIdDigest: 'digest',
               isPublic: false,
@@ -214,14 +216,14 @@ describe('Telemetry', function() {
       if (telemetryLevel !== 'off') {
         it('throws an error when an event is invalid', async function() {
           await assert.isRejected(
-            telemetry.logEvent('invalidEvent' as TelemetryEvent, {limited: {method: 'GET'}}),
+            telemetry.logEventAsync(null, 'invalidEvent' as TelemetryEvent, {limited: {method: 'GET'}}),
             /Unknown telemetry event: invalidEvent/
           );
         });
 
         it("throws an error when an event's metadata is invalid", async function() {
           await assert.isRejected(
-            telemetry.logEvent('documentOpened', {limited: {invalidMetadata: 'GET'}}),
+            telemetry.logEventAsync(null, 'documentOpened', {limited: {invalidMetadata: 'GET'}}),
             /Unknown metadata for telemetry event documentOpened: invalidMetadata/
           );
         });
@@ -229,7 +231,7 @@ describe('Telemetry', function() {
         if (telemetryLevel === 'limited') {
           it("throws an error when an event's metadata requires an elevated telemetry level", async function() {
             await assert.isRejected(
-              telemetry.logEvent('documentOpened', {limited: {userId: 1}}),
+              telemetry.logEventAsync(null, 'documentOpened', {limited: {userId: 1}}),
               // eslint-disable-next-line max-len
               /Telemetry metadata userId of event documentOpened requires a minimum telemetry level of 2 but the current level is 1/
             );
@@ -251,9 +253,11 @@ describe('Telemetry', function() {
             if (telemetryLevel === 'limited') {
               assert.deepEqual(metadata, {
                 eventName: 'watchedVideoTour',
+                eventCategory: 'Welcome',
                 eventSource: `grist-${deploymentType}`,
                 watchTimeSeconds: 30,
                 installationId,
+                isInternalUser: true,
               });
             } else {
               assert.containsAllKeys(metadata, [
@@ -309,7 +313,7 @@ describe('Telemetry', function() {
                 limited: {watchTimeSeconds: 30},
               },
             }, chimpy);
-            const [event, metadata] = forwardEventSpy.lastCall.args;
+            const [, event, metadata] = forwardEventSpy.lastCall.args;
             assert.equal(event, 'watchedVideoTour');
             if (telemetryLevel === 'limited') {
               assert.deepEqual(metadata, {
@@ -330,7 +334,7 @@ describe('Telemetry', function() {
             } else {
               // The count below includes 2 apiUsage events triggered as side effects.
               assert.equal(forwardEventSpy.callCount, 4);
-              assert.equal(forwardEventSpy.thirdCall.args[0], 'apiUsage');
+              assert.equal(forwardEventSpy.thirdCall.args[1], 'apiUsage');
             }
             assert.isEmpty(loggedEvents);
           });
@@ -345,7 +349,7 @@ describe('Telemetry', function() {
 
             // Log enough events simultaneously to cause some to be skipped. (The limit is 25.)
             for (let i = 0; i < 30; i++) {
-              void telemetry.logEvent('documentOpened', {
+              void telemetry.logEvent(null, 'documentOpened', {
                 limited: {
                   docIdDigest: 'digest',
                   isPublic: false,
@@ -360,7 +364,7 @@ describe('Telemetry', function() {
         }
       } else {
         it('does not log telemetry events sent to /api/telemetry', async function() {
-          await telemetry.logEvent('apiUsage', {limited: {method: 'GET'}});
+          telemetry.logEvent(null, 'apiUsage', {limited: {method: 'GET'}});
           assert.isEmpty(loggedEvents);
           assert.equal(forwardEventSpy.callCount, 0);
         });