Facebook is an online popular give and take service headquartered in Menlo Park, California. Its website was launched on February 4, 2004, by Mark Zuckerberg with his Harvard College roomies and associate students Eduardo Saverin, Andrew McCollum, Dustin Moskovitz and Chris Hughes.The builder had initially limited the website’s membership to Harvard students, but later splay it to colleges in the Boston area, the Ivy League, and Stanford University. It slowly added support for students at a variety of other universities and later to high-school students. Since 2006, anyone who is at least 13 years old is permit to become a registered user of the website, though the age requirement may be higher depending on applicable local laws. Its name comes from a colloquialism for the directory given to it by American universities’ students.
After registering to use the site, users can create a user profile, add other users as “friends”, exchange messages, post status updates and photos, share videos and receive notifications when others update their profiles.

Type: Public Traded as NASDAQ: FB NASDAQ-100 Component , S&P 500 Component
Founded: February 4, 2004; 11 years ago Headquarters: Menlo Park, California, US
Coordinates 37.484848°N 122.148386°WCoordinates: 37.484848°N 122.148386°W
Area served: United States (2004–05)Worldwide, except blocked countries (2005–present)
Founder(s): Mark Zuckerberg,Eduardo Saverin,Andrew McCollum,Dustin Moskovitz,Chris Hughes
Key people: Mark Zuckerberg (Chairman and CEO) , Sheryl Sandberg (COO)
Industry: Internet Revenue: Increase US$12.466 billion (2014)
Operating income: Increase US$4.982 billion (2014)
Net income: Increase US$2.94 billion (2014) Total assets: Increase US$40.184 billion (2014)
Total equity: Increase US$36.096 billion (2014) Employees: 10,082 (March 2015)
Subsidiaries: Instagram , WhatsApp , Oculus VR , PrivateCore
Website: www.facebook.com 

Written in: C++, PHP (as HHVM) and D language Alexa rank: Steady 2 (July 2015)
Type of site: Social networking service Registration: Required
Users: Increase 1.44 billion monthly active users (March 31, 2015)
Available in: Multilingual (70) Current status: Active

Mark Zuckerberg

Zuckerberg at the 37th G8 summit in 2011
Born: Mark Elliot Zuckerberg (born May 14, 1984) (age 31) , White Plains, New York, U.S.
Residence: Palo Alto, California, U.S. Alma mater: Phillips Exeter Academy(2000-02)
Harvard University (dropped out)
Occupation: Computer programmer, Internet entrepreneur Years active: 2004–present
Known for: Co-founding Facebook Home town: Dobbs Ferry, New York, U.S.
Salary: $1.00 a year Net worth: Increase US$42.5 billion (July 2015)
Title: Chairman and CEO of Facebook Spouse(s): Priscilla Chan (m. 2012)
Relatives: Randi Zuckerberg (sister) Website: facebook.com/zuck

Facebook Messenger





Facebook Messenger is an instantaneous messaging assistance and application software which provides text and voice communication. Integrated with Facebook’s web-based Chat feature and built on the open MQTT protocol, Messenger lets Facebook users chat with friends both on mobile and on the main website.
Facebook reported in March 2015 that Facebook Messenger has reached 600 million users. David A. Marcus heads Facebook Messenger and had joined Facebook on invitation of Mark Zuckerberg, CEO of Facebook.

Collected And Prepared By Nayab Khan

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