The Youngest CEO:Mark Elliot Zuckerberg

When Mark ElliotZuckerberg 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 hot social-networking site, Facebook, and turning down billion-dollar offers. Born on 14 March 1984, Founder, Facebook.com "an amazing achievement — one of the most significant milestones in the technology industry in this decade".

In an inclusive interview he said the idea for the website was motivated by a social need at Harvard to be able to identify people in other residential houses—Harvard is a fairly unfriendly place. While each residential house listed directories of their residents, I wanted one online directory where all students could be listed. And I’ve always enjoyed building things and puttering around with computer code, so I sat down and in about a week I had produced the basic workings of the site.

Currently 200,000 people sign up to Facebook every day and it now has 42 million users, according to the site. Newspaper reports say it aims to have 60 million members by the end of the year.

His latest project is "Wirehog" which is a social application for transferring files between friends. You can connect to a friend’s computer and browse the files, like photos, videos and music that they have, and transfer the files to your own computer.