Mark Zuckerberg co-created Facebook in his Harvard dorm room.
Facebook is a social networking service launched
in February 2004, owned and operated by Facebook, Inc. As of
September 2012, Facebook has over one billion active users, more
than half of them using Facebook on a mobile device. Users must
register before using the site, after which they may create a personal
profile, add other users as friends, and exchange messages, including
automatic notifications when they update their profile. Additionally, users may
join common-interest user groups, organized by workplace, school or college, or
other characteristics, and categorize their friends into lists such as
"People From Work" or "Close Friends".
Facebook was founded by Mark Zuckerberg with
his college roommates and fellow Harvard University students Eduardo
Saverin,Andrew McCollum, Dustin Moskovitz and Chris Hughes. The
website's membership was initially limited by the founders to Harvard students,
but was expanded to other colleges in the Boston area, the Ivy League, and Stanford
University. It gradually added support for students at various other
universities before opening to high school students, and eventually to anyone
aged 13 and over. However, according to a May 2011 Consumer Reports survey,
there are 7.5 million children under 13 with accounts and 5 million under 10,
violating the site's terms of service.
A January 2009 Compete.com study ranked
Facebook as the most used social networking service by worldwide monthly active
users. Entertainment Weekly included the site on its
end-of-the-decade "best-of" list, saying, "How on earth did we
stalk our exes, remember our co-workers' birthdays, bug our friends, and play a
rousing game of Scrupulous before Facebook?" Critics, such
as Facebook Detox, state
that Facebook has turned into a national obsession in the United States,
resulting in vast amounts of time lost and encouraging narcissism. Quant
cast estimates Facebook has 138.9 million monthly unique U.S. visitors in
May 2011.According to Social Media Today, in April 2010 an estimated 41.6%
of the U.S. population had a Facebook account. Nevertheless, Facebook's
market growth started to stall in some regions, with the site losing 7 million
active users in the United States and Canada in May 2011.
The name of the service stems from the colloquial
name for the book given to students at the start of the academic year by
some university administrations in the United States to help students get to
know each other. Facebook allows any users who declare they to be at least 13
years old to become registered users of the site.
Source: Wikipedia
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