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Wikipedia Wikipedia ( pronunciation ) is a free online encyclopedia website in 334 languages of the world, 323 languages which are currently active and 11 are closed. People can freely use it, share it, and change it, without having to pay. It is also one of the biggest wiki organizations. People can choose to donate to the Wikimedia Foundation to fund Wikipedia and its sister projects. Wikipedia is owned by an American organization, the Wikimedia Foundation, which is in San Francisco, California. Wikipedia's name is a portmanteau of two words, wiki and encyclopedia.[3] Wikipedia was started on January 10, 2001, by Jimmy Wales and Larry Sanger as part of an earlier online encyclopedia named Nupedia. Anyone who wishes to can change the pages on Wikipedia, or even make new ones. As of September 2011, Wikipedia had about 18 million pages in about 300 languages and more than 3.50 billion words across all Wikipedias. History[change | change source] Wikipedia began as a related project for Nupedia.

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