Zuckerberg has a lot to celebrate. He's amassed a fortune, inspired one of every seven people on the planet to use his product and changed how the world communicates -- all before age 30.
By comparison, when they were 29, Steve Jobs launched the Macintosh computer and Bill Gates was readying the first retail version of Microsoft Windows. And most of the rest of us were just struggling to pay the rent.
So happy birthday to Zuck! To mark the occasion, we collected these 10 random facts about the tech wunderkind:
