Mark Zuckerberg is red-green color-blind, which is part of the reason why the Facebook we know today is blue!
Being able to read and write in five different languages - English, Hebrew, Latin, French, and Ancient Greek - means that Mark will never have to worry about blessing a sneeze, no matter what country he's in.
3. Star Wars!
As a child, Mark had his Bar Mitzvah in the theme of a Star Wars party. Became a man, he did.
4. A Perfect Smile!
Zuckerberg Senior had a career as a dentist while Mark was growing up. As a result, Mark doesn't have a single cavity.
5. No Time For TV
It must be hard work being the brains behind the most popular social network in the world. Mark claims he doesn't own a television!
6. Stage Fright!
Zuckerberg hates public speaking, which is probably a bad thing, considering his job involves a lot of public speaking. Maybe a career as a postman is on the cards?
Social networking in 1996! Mark created ZuckNet - an instant messenger service - on an Atari BASIC, which his family used to communicate.
8. The Music Man
Zuckerberg also invented an automatic playlist creator while in high school, rejecting seven-figure bids in order to distribute it for free. Great business sense, that lad.
Don't get in a fight with Mark! At least, not if he has a sword! Zuckerberg was named MVP of his high school fencing team.
Mark has a very eclectic taste in music, enjoying the talents of Green Day, Daft Punk, Lady Gaga, Jay-Z and Shakira!
11. Suits You
In 2009, following the 2008 recession, Mark decided to wear a tie for the entire year, citing the importance of the year as his main reason for the decision.
Facebook isn't the only social media website out there - Zuckerberg is also signed up to Twitter under the alias @finkd.
13. Zuckerberg: Inventor
In total, Mark has around 50 patents to his name. With money in the bank, he has enough time and resources to add to that number significantly.
14. Going Veggie
2011 was an important time for Mark, as it was the year he decided never to eat meat again, unless he killed the animal himself.
15. Zuckerberg and the Beast
Mark has a pet dog named Beast, which is a Puli, a type of Hungarian sheepdog. Don't worry; it's bark is worse than it's bite!