While you can't clear your Activity Log completely with one click, you can still clear your Activity Log on Facebook by deleting individual items.

Deleting your local web history from your browser only deletes it from your view. This data is often saved by third-parties on their servers. Google stores information about you to provide you with a ...

You can change the activity goals on your Apple Watch through the Activity app, and you can turn off activity notifications through the Watch app.