<Tr> <Th> Current status </Th> <Td> Active </Td> </Tr> <Tr> <Th> Written in </Th> <Td> C++, PHP (as HHVM), D </Td> </Tr> <P> Facebook is an American online social media and social networking service company based in Menlo Park, California . Its website was launched on February 4, 2004, by Mark Zuckerberg, along with fellow Harvard College students and roommates Eduardo Saverin, Andrew McCollum, Dustin Moskovitz, and Chris Hughes . </P> <P> The founders initially limited the website's membership to Harvard students . Later they expanded it to higher education institutions in the Boston area, the Ivy League schools, and Stanford University . Facebook gradually added support for students at various other universities, and eventually to high school students . Since 2006, anyone who claims to be at least 13 years old has been allowed to become a registered user of Facebook, though variations exist in this requirement, depending on local laws . The name comes from the face book directories often given to American university students . Facebook held its initial public offering (IPO) in February 2012, valuing the company at $104 billion, the largest valuation to date for a newly listed public company . It began selling stock to the public three months later . Facebook makes most of its revenue from advertisements that appear onscreen . </P>

Who are listed as the founders of facebook