Some researchers are looking now into the role crowdsourcing played in Facebook IPO. Before the big event, there was a website created with the purpose of predicting the share values of Facebook. The prediction market (http://www.FacebookIPODayClosingPrice.com/) got it terribly wrong: $54, while the market closed at $38. The reason is explained by the nature of the participants: the less you know, the better. Read more here: http://blog.microtask.com/2012/06/predicting-the-facebook-ipo-the-crowd-gets-it-wrong/.