Early social networking sites started as generalized sites. The first online social networking site was started in 1997, called sixdegrees.com ■ Facebook www.facebook.com
■ Founded february 4, 2004. The founders were Harvard University computer science majors. ■ Currently has 750 million active users worldwide.
■ Twitter www.twitter.com
■ Founded in March 2006 by Jack Dorsey. ■ Ranked as one of the 50 most popular websites worldwide. ■ My Space www.myspace.com
■ Founded in 2003. Was the most popular social networking site in the United States in 2006. Internationally MySpace was overtaken by Facebook in 2008.
■ Linked In ■ www.linkedin.com
■ Founded in December 2002 and launched May 2003. The company was founded by Reid Hoffman.
■ Orkut ■ www.orkut.com
■ Orkut is a social networking website that is owned and operated by Google. ■ The website is named after its creator, Google employee Orkut Buyukkoten. • launched in February 2004, operated and privately owned by Facebook, Inc. • As of July 2011, Facebook has more than 750 million active