Facebook hits 2 billion-user mark, doubling in size since 2012
Facebook Inc <FB.O> said on Tuesday that 2 billion people are regularly using its flagship service, marching past another milestone in its growth from a college curiosity in the United States to the world's largest social media network.
27 Jun 2017 ... The company, which Zuckerberg started in 2004 in his college dorm room, uses its huge size advantage to lure advertisers, offering them highly ...