Facebook stumped on 80% fake ad click accusations - SlashGear

http://www.slashgear.com/facebook-stumped-on-80-fake-ad-click-accusations-03241592/

Facebook (FB) Stock Sinks on Exits - ABC News

http://abcnews.go.com/m/blogEntry?id=16915112

DailyTech - Facebook Reports 8.7 Percent of Active User Accounts are Fake

http://www.dailytech.com/Facebook+Reports+87+Percent+of+Active+User+Accounts++are+Fake/article25326.htm

Zuckerberg’s Sis Works for Google - The Daily Beast

http://www.thedailybeast.com/cheats/2012/08/01/zuckerberg-s-sis-works-for-google.html

Three Facebook execs bow out of the social network - CNET Mobile

http://m.cnet.com/news/three-facebook-execs-bow-out-of-the-social-network/57484992