Let's start with man of facebook.. Mark Zuckerberg (born May 14, 1984) is an American computer programmer and internet entrepreneur. He is best known as one of five co-founders of the social networking website Facebook. As of April 2013, Zuckerberg is the chairman and chief executive of Facebook, Inc.and in 2013 his personal wealth was estimated to be US$13.3 billion. Happy Birthday Mark.....