function facebook

Facebook is a social networking website launched on 4 February 2004 and was founded by Mark Zuckerberg, a Harvard graduate and former Ardsley High School students. Membership was initially restricted to students of Harvard College. In the next two months, membership expanded to other schools in the area of Boston (Boston College, Boston University, MIT, Tufts), Rochester, Stanford, NYU, Northwestern, and all the schools included in the Ivy League. Many universities in the next added in succession within a period of one year after launch. Finally, those who have e-mail address of a university (such as. Edu,. Ac.uk, etc.) from all over the world can also join the site.

Also develop a network for schools and some top level big companies. Since 11 September 2006, with the e-mail address can be any of the Facebook.Pengguna can choose to join with one or more of the available networks, such as school based on the top level, the workplace, or geographic region.

Until July 2007, this site has the number of registered users, at most, between the sites that focus on schools with more than 34 million active members held around the world. From September 2006 to September 2007, ranking rose to the position of the 60-to-7 position to the most visited site, and is the number one site for photos in the United States Serika, surpass other public sites such as Flickr, with 8.5 million photos uploaded each day.
Source:
http://id.wikipedia.org/wiki/Facebook