The Origin of Facebook In 2003, Zuckerberg, a second-year student at Harvard, wrote the software for a website called Facemash. He put his computer science skills to questionable use by hacking into Harvard's security network, where he copied the student ID images used by the dormitories and used them to populate his new website.

It was founded by Mark Zuckerberg and college roommates and fellow Harvard University students, in particular Eduardo Saverin, Andrew McCollum, Dustin Moskovitz, and Chris Hughes The website's membership was initially limited by the founders to Harvard students, but was expanded to other colleges in the Boston area, the Ivy League, and gradually most universities in the United States and Canada, corporations, and by September...