| Mark Zuckerberg's smoking habits are not known. |
| Mark Zuckerberg does drink alcohol. |
| At the age of 12, Zuckerberg created a messaging program for his father's dental office. |
| Zuckerberg's computer tutor labeled him as a "prodigy" due to his quick learning. |
| Despite job offers from major companies before graduating high school, Zuckerberg turned them down. |
| Zuckerberg developed ZuckNet for family communication, similar to AOL's Instant Messenger. |
| He co-founded Facebook with Eduardo Saverin, Dustin Moskovitz, and Chris Hughes. |
| Facebook's blue color is due to Zuckerberg being red-green color blind. |
| Zuckerberg began dating Priscilla Chan in 2003. |
| "The Social Network" is a movie inspired by Zuckerberg's life. |
| Zuckerberg has been a vegetarian since 2011 and has unique conditions for eating meat. |
| His dog, Beast, has a Facebook page with 1.5 million followers. |
| Zuckerberg became the youngest billionaire in 2008 at the age of 23. |
| He has pledged to donate half of his wealth during his lifetime. |
| In May 2023, Zuckerberg won medals at his first Brazilian jiu-jitsu tournament. |
