Facebook is an online social networking service founded in 2004 by Mark Zuckerberg and his fellow Harvard University students. It initially launched for Harvard students but expanded to other colleges. Facebook now has over 1.28 billion monthly active users worldwide and allows anyone over 13 to register. Written in multiple programming languages, Facebook is headquartered in California and has over 6,800 employees serving a global user base.

2. World’s no 1 social Network

3. Founder:
Mark
Zuckerberg

4. Facebook is an online social networking service headquartered in
California.
Facebook was founded on February 4, 2004, by Mark Zuckerberg with
his college roommates and fellow Harvard University students Eduardo
Saverin,Andrew McCollum, Dustin Moskovitz and Chris Hughes
The founders had initially limited the website's membership to Harvard
students, but later expanded it to colleges in the Boston area
Facebook now allows anyone who claims to be at least 13 years old
worldwide to become a registered user of the website, although proof is
not required.

5. Users: 1.28 billion (monthly active, March
2014)
Written in: C++, PHP and D language
Employees:6,818 (March 2014)
Area served: United States (2004–05)
Worldwide (2005–present)

7. Thank
you