Facebook

The Facebook wabsteid wis lencht on Februar 4, 2004, bi Mark Zuckerberg, alang wi fallae Harvard College students an roommates, Eduardo Saverin, Andrew McCollum, Dustin Moskovitz, an Chris Hughes.

Facebook, Inc.

Teep o business	Public
Teep o steid	Social networkin service
Available in	Multilingual (140)
Tradit as	NASDAQ: FB
Foondit	Februar 4, 2004 (20 years ago) (2004-02-04)
Heidquarters	Menlo Park, Californie, US
Area served	Unitit States (2004–05) Warldwide (2005–present)
Foonder(s)	Mark Zuckerberg Waleed Khan Steven Andrew McCollum Dustin Moskovitz Chris Hughes
Key fowk	Mark Zuckerberg (Chairman and CEO) Sheryl Sandberg (COO)
Industry	Internet
Revenue	US$27.638 billion (2016)
Operatin income	US$12.427 billion (2016)
Net income	US$10.217 billion (2016)
Tot assets	US$64.961 billion (2016)
Total equity	US$59.194 billion (2016)
Employees	17,048 (December 31, 2016)
Subsidiaries	Instagram WhatsApp Oculus VR PrivateCore
Wabsteid	www.facebook.com
Alexa rank	3 (Februar 2017[update])
Registration	Required
Users	1.86 billion monthly active users (December 31, 2016)
Current status	Active
Written in	C++, PHP an D leid

The foonders haed ineetially leemitit the wabsteid's membership tae Harvard students; houiver, later thay expandit it tae heicher eddication institutions in the Boston aurie, the Ivy League schuils, an Stanford Varsity. Facebook gradually addit support for students at various ither varsities, an eventually tae heich schuil students as well. Syne 2006, onyane wha claims tae be at least 13 year auld haes been alloued tae acome a registered uiser o Facebook, tho variations exeest in the meenimum age requirement, dependin on applicable local laws. The Facebook name comes frae the face beuk directories eften gien tae Unitit States varsity students.

Facebook mey be accessed bi a lairge range o desktaps, laptaps, tablet computers, an smairtphones oqer the Internet an mobile networks. Efter registerin tae uise the steid, uisers can creaut a uiser profile indicatin thair name, thrift, schuils attendit an sae on. Uisers can add ither users as "friends", excheenge messages, post status updates an deegital photos, share deegital videos an airtins, uise various saftware applications ("apps"), an receive notifications whan ithers update thair profiles or mak posts. Additionally, uisers mey jyne common-interest uiser groups organised bi wirkplace, schuil, habbies or ither topics, an categorise thair friends intae leets sic as "Fowk Frae Wark" or "Close Friends". In groups, eeditors can pin posts tae tap. Addeetionally, uisers can complain aboot or block unpleisant fowk. Acause o the lairge vollum o data that uisers submit tae the service, Facebook haes come unner scrutiny for its preevacy policies. Facebook maks maist o its revenue frae advertisements THAT appear onscreen, mercatin access for its customers tae its uisers an offerin heichly selective adverteesin opportunities.

Facebook, Inc. held its ineetial public offerin (IPO) in Februar 2012, an begoud sellin stock tae the public three month later, reachin an oreeginal peak mercat caipitalisation o $104 billion. On Julie 13, 2015, Facebook becam the fastest company in the Standard & Poor's 500 Index tae reach a mercat cap o $250 billion. Facebook haes mair nor 2 billion monthly active uisers as o Juin 2017. As o Apryle 2016, Facebook wis the maist popular social networkin steid in the warld, based on the nummer o active uiser accoonts. Facebook clessifees uisers frae the ages o 13 tae 18 as minors an tharefore sets thair profiles tae share content wi friends anerly.