Social Networking Sites Founders

Crossing the Blues, University of the Nations, Social Work and Education, Shop Clothes Online, Radiology Information Social Work and Education

Face Book

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

Orkut Büyükkökten 

Born February 6, 1976 in Konya, Turkey

is a software engineer who developed the social networking service Orkut

Twitter

^{Twitter Has Three Founders Biz Stone,Evan Williams,Jack Doresy}