Before building Dawarich, I naturally extracted my data via Google Takeout and my mind was blown same as yours when I realized just HOW MUCH they know about me even when we’re talking location only. It was a big incentive for me to take control over my data, or, at least, to ALSO have it, same as many-many cloud provides and apps have.

For home assistant integration, you can start here: dawarich.app/docs/…/track-your-location#home-assi…