It currently has more than fifty-seven million articles in more than 300 languages, including 6,381,644 articles in English with 125,691 active contributors in the past month. Since its creation on January 15, 2001, Wikipedia has grown into the world's largest reference website, attracting 1.8 billion unique-device visitors monthly as of August 2021. Anyone with Internet access can write and make changes to Wikipedia articles, except in limited cases where editing is restricted to prevent further disruption or vandalism. Wikipedia is written collaboratively by largely anonymous volunteers. Wikipedia's articles provide links designed to guide the user to related pages with additional information. The name 'Wikipedia' is a blending of the words wiki (a technology for creating collaborative websites, from the Hawaiian word wiki, meaning 'quick') and encyclopedia.
It is supported by the Wikimedia Foundation and based on a model of freely editable content. Wikipedia is an online free content encyclopedia project helping create a world in which everyone can freely share in the sum of all knowledge.