"If Americans -- or people anywhere -- decided to take up Google's offer to check out its new policy, they would discover something so troubling, so frightening, really, that it would override the national tendency to leave companies alone to make money how they see fit. At least in the case of companies such as Google -- and now Facebook -- which know more about us than even our closest friends.
Here's what Google knows about you, what it stores right there on its servers, waiting for a hacker:" CNN
Does Google Know Too Much About You?