Claim: Mark Zuckerberg co-founded a website.
Evidence: He is a co-founder of Facebook , and currently operates as its chairman and chief executive officer.
Facebook is an American for-profit corporation and an online social media and social networking service based in Menlo Park , California.
The Facebook 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.