When Mark Zuckerberg showed up in Palo Alto three years ago, he had no car, no house, and no job. Today, he’s at the helm of a smokin’-hot social-networking site, Facebook, and turning down billion-dollar offers. Can this kid be for real?

I’m just lucky to be alive.” Mark Zuckerberg, the 22-year-old founder and CEO of social-networking site Facebook, is talking about the time he came face-to-face with the barrel of a gun. It was the spring of 2005, and he was driving from Palo Alto to Berkeley.

Who’s Mark Zuckerberg, and why is he interesting? Well if you’re into Facebook then you should probably catch up on the story about and behind the founder and CEO mentioned above. Fastcompany.com has written an interesting story/bio about Mark, which sheds some lights on one of the brilliant young guys making the Internet a more interesting and challenging place to visit.