Yeah, many people does not aware of their privacy. Most of people never reads term of services and privacy policy. Finally every single person take responsibility for their own privacy. Not to get safest, but to reduce to be tracked. For those who are not do something private, maybe they will be ok feel comfort to go public. Nothing to hide and let the any service provider grab their behavior and their habit during goes online. I'm not one of them.
That's the big problem mate. I also sometime because I'm in a hurry and I need that application, I flag the "agreement statement" without even look at it.
So there happens when you get screwed. But you HAVE to know that you can risk at least and that's what the 95% of the people doesn't know.
I mean why haven't you been asking why big G had made so many buck
?They think "ok Gmail is free - great! " and never wonder why..