Mark Elliot Zuckerberg
Born May 14, 1984 is an American computer scientist, software developer and philanthropist
Best known for creating the social networking site Facebook
Orkut Büyükkökten
Born February 6, 1976 in Konya, Turkey
is a software engineer who developed the social networking service Orkut
Twitter Has Three Founders Biz Stone,Evan Williams,Jack Doresy
