“9. Facebook hits 1 billion users” —Brian Breslin

Created by gwern on 2012-01-08; known on 2013-01-01; judged right by gwern on 2013-01-01.

• gwern estimated 70% on 2012-01-08
• gwern said “http://brianbreslin.com/2012-predictions/” on 2012-01-08
• gwern changed their prediction from ““9. Facebook hits 1 billion users”” on 2012-01-08
• JoshuaZ estimated 60% on 2012-01-08
• Anubhav estimated 60% on 2012-01-09
• gwern said “FB seems to be claiming 1b users. marking right, since arguments over fake accounts weren’t mentioned by breslin” on 2013-01-01
• gwern   judged this prediction right on 2013-01-01.