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.
NEXT: 2005