Facebook

Facebook

is a social networking website launched in February 2004 that is operated and privately owned by Facebook, Inc. with more than 500 million active users in July 2010.Users can add people as friends and send them messages, and update their personal profiles to notify friends about themselves. Additionally, users can join networks organized by workplace, school, or college.

The website's name stems from the colloquial name of books given to students at the start of the academic year by university administrations in the US with the intention of helping students to get to know each other better

.

Who set up Facebook??

Facebook

was founded by Mark Zuckerberg with his college roommates and fellow computer science students.

The website's membership was initially limited by the founder to Harvard students, but was expanded to other colleges in the Boston area, and Stanford University

.It gradually added support for students at other universities before opening to high school students, and, finally, to anyone aged 13 and over



Difficulties that faced Facebook

Facebook

has met with some controversy. It has been blocked intermittently in several countries including Pakistan,Syria, the People's Republic of China, Vietnam,, Iran, and North Korea.

 It has also been banned at many places of work to discourage employees from wasting time using the service

.