Facebook is launched five years ago, users of social networking is already 150 million more. Who is the inventor of Facebook? He was a Harvard student named Mark Zuckerberg. Face Book membership was initially restricted to students of Harvard College. In the next two months, its membership expanded to other schools in the Boston area, Rochester, Stanford, NYU, Northwestern, and all schools are included in the Ivy League.
Many other universities are then added in succession within one year after its release. Finally, people who have e-mail address of a university from all over the world can also join this site.