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| Type of business | Public |
|---|---|
Type of site
| Social networking service |
| Available in | Multilingual (140) |
| Traded as | |
| Founded | February 4, 2004 |
| Headquarters | Menlo Park, California, United States of America |
| Coordinates | 37.4848°N 122.1484°WCoordinates: 37.4848°N 122.1484°W |
| Area served | United States (2004–2005) Worldwide, except blocking countries (2005–present) |
| Founder(s) | |
| Key people | Mark Zuckerberg (Chairman and CEO) Sheryl Sandberg (COO) |
| Industry | Internet |
| Revenue |  US$40.653 billion (2017)[1] |
| Operating income | US$20.203 billion (2017)[1] |
| Net income | US$15.934 billion (2017)[1] |
| Total assets | US$84.524 billion (2017)[1] |
| Total equity | US$74.347 billion (2017)[1] |
| Employees | 25,105 (December 31, 2017)[2] |
| Subsidiaries | Instagram Messenger Oculus VR tbh Watch |
| Website | www www |
| Alexa rank |  3 (January 2018)[3] |
| Registration | Required |
| Users | 2.2 billion monthly active users (January 2018) |
| Current status | Active |
| Written in | C++, PHP (as HHVM),[4] D[5] |
Facebook is an American online social media and social networking service company based in Menlo Park, California. Its website was launched on February 4, 2004, by Mark Zuckerberg, along with fellow Harvard College students and roommates Eduardo Saverin, Andrew McCollum, Dustin Moskovitz, and Chris Hughes.
The founders initially limited the website's membership to Harvard students. Later they expanded it to higher education institutions in the Boston area, the Ivy League schools, and Stanford University. Facebook gradually added support for students at various other universities, and eventually to high school students. Since 2006, anyone who claims to be at least 13 years old has been allowed to become a registered user of Facebook, though variations exist in this requirement, depending on local laws. The name comes from the face book directories often given to American university students. Facebook held its initial public offering (IPO) in February 2012, valuing the company at $104 billion, the largest valuation to date for a newly listed public company. It began selling stock to the public three months later. Facebook makes most of its revenue from advertisements that appear onscreen.
Facebook can be accessed from a large range of devices with Internet connectivity, such as desktop computers, laptopsand tablet computers, and smartphones. After registering, users can create a customized profile indicating their name, occupation, schools attended and so on. Users can add other users as "friends", exchange messages, post status updates, share photos, videos and links, use various software applications ("apps"), and receive notifications of other users' activity. Additionally, users may join common-interest user groups organized by workplace, school, hobbies or other topics, and categorize their friends into lists such as "People From Work" or "Close Friends". Additionally, users can report or block unpleasant people.
Facebook has more than 2.2 billion monthly active users as of January 2018. Its popularity has led to prominent media coverage for the company, including significant scrutiny over privacy and the psychological effects it has on users. In recent years, the company has faced intense pressure over the amount of fake news, hate speech and depictions of violence prevalent on its services, all of which it is attempting to counteract.
On May 1, 2018, Facebook announced its plans to launch a new dating service. According to Mark Zuckerberg: "There are 200 million people on Facebook that list themselves as single, so clearly there's something to do here". In the wake of the Cambridge Analytica data mining scandal, the service is being developed with privacy features, and friends will be unable to view one's dating profile.[6]
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