In the Social Network. What is your opinion? Why is facebook succesful?

Facebook is very succesful because they waited to put adds. If they put them earlier they wouldn’t have such users as they have now. I don’t agree that they kicked Eduardo out of the group. Maybe he was wrong about putting the add earlier but he still invested much in that company and if he didn’t maybe Facebook wouldn’t be here right now. Facebook has more than 800 milion users and there are 50% active. There are 350 milion users logging in from their phone and Facebook reached 750 milion in july 2011.