Wikipedia is a free, web-based, collaborative, multilingual encyclopedia project supported by the non-profit Wikimedia Foundation. Its 18 million articles (over 3.6 million in English) have been written collaboratively by volunteers around the world, and almost all of its articles can be edited by anyone with access to the site. Wikipedia was launched in 2001 by Jimmy Wales and Larry Sanger and has become the largest and most popular general reference work on the Internet.
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| URL | wikipedia.org | ||
|---|---|---|---|
| Slogan | The free encyclopedia that anyone can edit. | ||
| Type of site | Internet encyclopedia project | ||
| Registration | Optional (required only for certain tasks such as editing protected pages, creating pages or uploading files) | ||
| Available language(s) | 269 active editions (281 in total) | ||
| Owner | Wikimedia Foundation (non-profit) | ||
| Created by | Jimmy Wales, Larry Sanger | ||
| Launched | January 15, 2001 | ||
 Logo of the Wikimedia Foundation | |
| Type | 501(c)(3) charitable organization |
|---|---|
| Founded | St. Petersburg, Florida, U.S. June 20, 2003 |
| Location | San Francisco, California, U.S. |
| Key people | Ting Chen, Chair of the Board Jimmy Wales, Chairman Emeritus Sue Gardner, Executive Director |
| Area served | Worldwide |
| Focus | Free, open content, wiki-based internet projects |
| Method | Wikipedia, Wiktionary, Wikiquote, Wikibooks, Wikisource, Wikimedia Commons, Wikispecies, Wikinews, Wikiversity, Wikimedia Incubator and MetaWiki |
| Revenue | US$10,632,254 (July – December 2009) |
| Volunteers | 350,000 (2005) |
| Employees | 57 (as of February 2011) |
| Website | wikimediafoundation.org |
| Jimmy Wales | |
|---|---|
 Wales in December 2008 | |
| Born | Jimmy Donal Wales August 7, 1966 Huntsville, Alabama, U.S. |
| Residence | St. Petersurg, Florida, U.S. |
| Occupation | Financial trader (former) Internet entrepreneur |
| Title | President of Wikia, Inc. (2004–present) Chairman of Wikimedia Foundation (June 2003 – October 2006) Chairman Emeritus, Wikimedia Foundation (October 2006–present) |
| Successor | Florence Devouard |
| Board member of | Wikimedia Foundation Creative Commons Socialtext Sunlight Foundation (advisory board) MIT Center for Collective Intelligence (advisory board) CiviliNation |
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