THIS IS WHY SNOWDEN SHOULD BE A NATIONAL HERO!
He exposed that the NSA collects EVERYTHING.
This is useless for real time data discovery- there is just too much. You can’t analyze all of it at once. (ok maybe not ‘useless’... don’t get hung up here, I am making a point)
BUT...
You can go back in history and look at data for a specific person, once they come onto your radar.
Post a comment about a political figure that he doesn’t like? Let’s just see what you’ve been up to online...
That is precisely it. If you get on their radar, every single post you have here they can access because it is public information.
This is why my motto, ever since I started posting here in the late 90’s, is to assume that the one person in the world that wants to do me the most harm is reading my post -and can try to use it against me. And then post accordingly.