Yes, we are all about to change from IPv4 to IPv6. On June 8, 2011 Google, Facebook, Yahoo!, Akamai, Limelight Networks, Cisco, Meebo, Genius, W3C and others will participate for 24 hours in the first global test of IPv6.
Friends Remix is an app where you can sell privacy of your friends to someone and get paid. Also, you can buy profile details of people who have set their profile in to very private. http://apps.facebook.com/friendsremix/