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This article is about the social networking service. For the type of directory, see face book.

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Facebook, Inc.
Type Public
Traded as Template:Wp/bgn/NASDAQ
Founded فیبروری 4, 2004
(۱۹ سال دیما)
Headquarters Menlo Park, California, US
Area served United States (2004–05)
Worldwide (2005–present)
Key people Mark Zuckerberg
(Chairman and CEO)
Sheryl Sandberg
Industry Internet
Revenue Increase Template:Wp/bgn/USD billion (2014)[1]
Operating income Increase Template:Wp/bgn/USD billion (2014)[1]
Net income Increase Template:Wp/bgn/USD billion (2014)[1]
Total assets Increase Template:Wp/bgn/USD billion (2014)[1]
Total equity Increase Template:Wp/bgn/USD billion (2014)[1]
Employees 9,199 (December 2014)[2]
Subsidiaries Instagram
Oculus VR
Website www.facebook.com Tor: facebookcorewwwi.onion[3]
Written in C++, PHP (as HHVM)[4] and D language[5]
Alexa rank Template:Wp/bgn/Steady 2 (September 2014)[6]
Type of site Social networking service
Registration Required
Users 890 million daily active users on average for December 2014[2]
Available in Multilingual (70)
Current status Active
  1. 1.0 1.1 1.2 1.3 1.4 "10-K Annual Report". SEC Filings. Facebook. January 31, 2014. Retrieved February 7, 2014. 
  2. 2.0 2.1 "Company Info | Facebook Newsroom". Facebook. February 6, 2015. 
  3. Cite error: Invalid <ref> tag; no text was provided for refs named fb-tor-note
  4. Clarke Gavin (February 2, 2010). "Facebook re-write takes PHP to an enterprise past". The Register (London). 
  5. Bridgwater Adrian (October 16, 2013). "Facebook Adopts D Language". Dr Dobb's (San Francisco). 
  6. "Facebook.com Site Info". Alexa Internet. Retrieved April 1, 2014.