How much do Google and Facebook profit from your data?
http://haxordoubt.blogspot.com/2012/10/how-much-do-google-and-facebook-profit.html
Savvy Internet users know that all the great stuff they get from the Internet for “free”-the searches, the social networks, the games, even the news-isn’t really free. It’s an exchange, where companies are able to take user data, sell it to advertisers, and make money that allows them to give themselves a paycheck while keeping you afloat in free digital services.
