Google stores your location (if you have location tracking turned on) every time you turn on your phone. You can see a timeline of where you’ve been from the very first day you started using Google on your phone. ...
Google stores search history across all your devices. That can mean that, even if you delete your search history and phone history on one device, it may still have data saved from other devices. ...
Google stores all of your YouTube history ...
Google offers an option to download all of the data it stores about you. I’ve requested to download it and the file is 5.5GB big, which is roughly 3m Word documents.
This link includes your bookmarks, emails, contacts, your Google Drive files, all of the above information, your YouTube videos, the photos you’ve taken on your phone, the businesses you’ve bought from, the products you’ve bought through Google …
They also have data from your calendar, your Google hangout sessions, your location history, the music you listen to, the Google books you’ve purchased, the Google groups you’re in, the websites you’ve created, the phones you’ve owned, the pages you’ve shared, how many steps you walk in a day …
He gives links to see Google's files on you for each of these kinds of data, and others. Creepily, Google apparently keeps information you have deleted.
And then ...
Manage to gain access to someone’s Google account? Perfect, you have a chronological diary of everything that person has done for the last 10 years.I thought I might have avoided some of this by not being logged in to Google most of the time, which is a good step. Then I noticed that when I visit this blog, I always have the option to post, and thus must be signed in. Oh well. Guess I'll change that now.


