Mark Zuckerberg was a Harvard freshman with a gift for computer programming. Less than a decade later, he is the baby-faced, multi-billionaire, power broker who rubbed shoulders with the President. He transformed a dorm-room project into the internet’s biggest global village. The site now has over 900 million users. But for all that success, Zuckerberg has confronted bitter battles and lawsuits over Facebook’s origin. He has waged an all out war on his biggest competitors.