Facebook | Overview, History, & Facts
Facebook, American company offering online social networking services. Facebook was founded in 2004 by Mark Zuckerberg, Eduardo Saverin, Dustin Moskovitz, and Chris Hughes, all students at Harvard University. It became the largest social network in the world.
3 days ago ... By year's end it had six million monthly active users. In 2006 Facebook opened its membership beyond students to anyone over the age of 13.