See the Privacy project. See the "Privacy" entry of the Say page.
We obviously want computers to keep track of a panoply of disparate details. I couldn't work without Google Calendar.
But...
From: Google Maps Timeline <noreply-maps-timeline@google.com>
Date: Mon, Feb 7, 2022 at 11:19 AM
Scott, here's your new Timeline update
You're receiving this monthly email because you turned on Location History, a Google Account-level setting that saves where you go in your private Timeline.
Location History data also helps give you personalized information on Google, including better restaurant recommendations, and suggestions for a faster commute. You can view, edit, and delete this data anytime in Timeline.