Facebook, Inc. is an American technology conglomerate based in Menlo Park, California. It was founded by Mark Zuckerberg, along with his fellow roommates and students at Harvard College, who were Eduardo Saverin, Andrew McCollum, Dustin Moskovitz and Chris Hughes, originally as TheFacebook.com—today's Facebook, a popular global social networking service. Facebook is one of the world's most valuable companies. It is considered one of the Big Five companies in the U.S. information technology industry, along with Google, Apple, Microsoft, and Amazon.