When I joined Facebook as a user back in 2007, it was all about social networking with friends, sharing personal photos and videos, and enjoying the ones that were shared by friends. Of course, it was obvious right from the beginning that this would create a lot of privacy issues. In fact, back in 2009 I wrote a Facebook app that would ask for a user's permission to access all of their photos. I noticed users were very easy going about giving the access which would let my app download and keep any photo they had ever uploaded. Why would the users never (or rarely) complain about privacy though? I think it was because what they were getting back was more than what they were giving up. Facebook would give them access to a new social world that they were enjoying to the full extent. I even remember people worrying back in the day that gradually there will not be physical interactions between friends but it will be all Facebook. If you remember, back in 2009, Obama warned U.S. teenage