Mark Zuckerberg is one of the most popular CEOs in the world. He will turn 41 on Wednesday, May 14. On the occasion of his birthday, take a look at some interesting facts about him. Mark Zuckerberg is fluent in many languages, including Mandarin, French, Spanish, and German. He has mentioned studying Russian, Latin, and Korean, indicating a wide interest in acquiring languages. Zuckerberg had an interest in learning coding and programming, and he created a messaging program for his father's dental office at a young age. Mark Zuckerberg met his wife at a Harvard party while in line for the bathroom. Zuckerberg's Hungarian dog has its own Meta (Facebook) page and has more than two million likes. When he was in high school, he created an application for MP3 called Synapse Media Player that tracks the user's favourite song and makes a playlist on the basis of their choices. The founder of Meta once said that blue was the richest colour for him because he could see all shades of blue. He has red and green colour blindness.