Thanks to the success of Facebook, Mark Zuckerberg has a personal fortune of around 14 billion dolars. Now is the second youngest billionaire in the world Zuckerberg was a computer prodigy from a young age. He left New yourk in 2002 to go to Harvard, an elite American university, to study psychology and computer science. He was shy and people thought he was a geek. Later he was expelled because he hacked into Harvard's computer system. He wasn't discouraged. Zuckerberg understood the demand for a website to share personal information with friends. So in 2004, he launched Facebook from his university bedroom. With 800 million users, Facebook is now the biggest website on the planet. Zuckerberg wants to keep Facebook users on the site for longer by sharing music, films and personal information in the Timeline.