5. In college, he was known for reciting lines from epic poems such as The Iliad.
6. On Zuckerberg's Facebook page, he listed his personal interests as "openness, making things that help people connect and share what's important to them, revolutions, information flow, minimalism."
7. When still in college, he built a software program called "ZuckNet," which allowed all the computers between the house and his father's dental office to communicate by pinging each other. It is considered a "primitive" version of AOL's Instant Messenger.
8. At Harvard, he built a site and placed two random photos of his college mates. Visitors to the site had to choose who was "hotter". But the site was pulled down within two days because its popularity had overwhelmed Harvard's server and prevented students from accessing the Internet.
9. Zuckerberg liked to think of himself as a hacker. As he always said: "it's OK to break things to make them better."
10. After The Social Network, the movie based on Zuckerberg and Facebook, was released on October 1, 2010, Zuckerberg had said: "I just wished that nobody made a movie of me while I was still alive."