'Facebook will pass 1 billion users.' in 2011 —Chris O'Brien
- gwern estimated 60% on 2010-12-26
- kallman said “Hm. 1 billion accounts? Or 1 billion people actually using it? Can’t be active accounts obviously.” on 2010-12-30
- bobpage said “Facebook reported 750 million monthly active users in June 2011, and 800 million in September. (And the active users number is the only number anyone talks about.)” on 2012-01-03
- bobpage judged this prediction wrong on 2012-01-03.
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