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Read this. It's very long but that's because it has some charts and graphs and stuff. Nevertheless, it's long but worth reading if you want to scare the living shit out of yourself. However, as my son continues to say, and I'm pretty sure he's probably right, it doesn't matter if you're using fb or gooooooglie or whatever platform, some agency somewhere is recording everything you've ever done or will do on the computer or smartass phone - - THAT'S WHY THEY WERE DESIGNED FOR THE PUBLIC IN THE FIRST PLACE AND THAT'S WHY COMPANIES LIKE APPLE, MICROSOFT, ETC., ARE WEALTHY BEYOND BELIEF - BECAUSE ADVERTISERS AND THE GUBMINTS OF A LOT OF NATIONS ARE CONTRACTING WITH THESE COMPANIES TO DO THAT TO US - SPY.
We are being tracked all the time, no matter what "techno gadget" you use and no matter what "program" you use.
But it's a good read anyway.