facebook facts

cebook, Inc.

Type	Private
Founded	Cambridge, Massachusetts[1](2004)
Founder	Mark Zuckerberg Eduardo Saverin Dustin Moskovitz Chris Hughes
Headquarters	Palo Alto, California, U.S., will be moved to Menlo Park, California, U.S. since June 2011
Area served	Worldwide
Key people	Mark Zuckerberg (CEO) Chris Cox (VP of Product) Sheryl Sandberg (COO) Donald E. Graham (Chairman)
Revenue	US$800 million (2009 est.)[2]
Net income	N/A
Employees	2000+(2011)[3]
Website	facebook.com
IPv6 support	Yes, special URLwww.v6.facebook.com
Alexa rank	2 (February 2011[4])
Type of site	Social network service
Advertising	Banner ads, referral marketing, Casual games
Registration	Required
Users	600 million[5][6] (active in January 2011)
Available in	Multilingual
Launched	February 4, 2004
Current status	Active
Screenshot[show]

(estimated, in millions US$)

Year	Revenue	Growth
2006	$52[53]	—
2007	$150[54]	188%
2008	$280[55]	87%
2009	$775[56]	177%
2010	$2,000[57]	158%

Total active users^{[N 1]} (in millions)

Date	Users	Days later	Monthly growth[N 2]
August 26, 2008	100[27]	1,665	178.38%
April 8, 2009	200[28]	225	13.33%
September 15, 2009	300[29]	150	10%
February 5, 2010	400[30]	143	6.99%
July 21, 2010	500[31]	166	4.52%
January 5, 2011	600[32][N 3]	168	3.57%
—	700	50 (ongoing)	—