References: 

ü  http://ar.wikipedia.org/wiki/%D9%81%D9%8A%D8%B3_%D8%A8%D9%88%D9%83

ü  Kirkpatrick, David (October 14, 2010). "The Social Network: a misleading view of Facebook's birth". The Telegraph

ü  Kirkpatrick, David (October 14, 2010). "The Social Network: a misleading view of Facebook's birth". The Telegraph

ü  http://billpetro.com/history-of-facebook

ü  http://billpetro.com/history-of-facebook   

ü  http://www.guardian.co.uk/technology/2007/jul/25/media.newmedia

ü  http://www.penn-olson.com/2010/04/22/facebook-crushes-its-competitors/#

ü  http://www.allfacebook.com/california-quake-highlights-strengths-and-weaknesses-of-facebooks-real-time-search-2010-01

ü  http://chicagolibrarian.com/node/331

http://www.facebook.com/press/info.php?statistics