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Version 1.0 of "thefacebook" goes live from Zuckerberg's college dorm room with co-founders Dustin Moskovitz, Chris Hughes, and Eduardo Saverin behind the launch. The Facebook "Wall," now a staple of the social network, also makes its debut. By the end of the year, the social network claimed one million users at Harvard, Stanford, Yale, and Columbia.

By JP Mangalindan @FortuneMagazine - Last updated May 18 2012: 5:55 AM ET
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Facebook's wild, nascent summer of 2004 was loosely chronicled in the blockbuster The Social Network. This is what it was really like.