Facebook CEO Mark Zuckerberg and one of the youngest billionaires in the world turned 34 today and here are some fun facts about him, as pointed out by DNA.

1. As per Forbes estimate, Zuckerberg became the youngest billionaire in the world in 2008 when he was 23 years old.
2. Before his high school graduation, he was approached by many renowned companies including Microsoft but he turned down all.
3. Zuckerberg suffers from red-green color blindness and can see the color blue best, which is why Facebook is blue.
4. Zuckerberg wears the same gray Facebook T-shirt almost every day since he thinks it saves time in the morning. In 2009, however, he wore a tie every day to show that the firm was serious about growing in the face of global recession.
5. In July 2011, he became the most followed user on Google’s social network Google+. Also, he isn’t very active on Twitter, yet has over 220,000 followers despite the fact that he has tweeted only 19 times in four years.
6. In 2011, Zuckerberg turned vegetarian and said that he will only eat meat of those animals that he killed himself.
7. His Hungarian sheepdog Beast even has a Facebook page with more than two million fans.
8. You can’t block Zuckerberg on Facebook.
9. In order to communicate with his then girlfriend, now wife, Priscilla Chan’s family, Zuckerberg learned Chinese in 2010.
10. A movie, ‘The Social Network’, was made about Zuckerberg and Facebook’s birth, but Zuckerberg was not really a fan of it.
11. Currently, according to Forbes, Zuckerberg is at number 13 in the ‘World’s Most Powerful People’ and at number five in the billionaires list.