Wikipedia (, or ) is a
multilingual,
web-based,
encyclopedia project, operated by the
Wikimedia Foundation, a
non-profit organization. Many language versions of Wikipedia are
free content, while others, such as the English version, include non-free material. As of September 2007, Wikipedia had approximately 8.29 million articles in 253 languages, comprising a combined total of over 1.41 billion words for all Wikipedias. The
English Wikipedia edition passed the 2,000,000 article mark on
September 9 2007, and as of
October 14 2007 it had over 2,047,000 articles consisting of over 890,000,000 words. Wikipedia's articles have been written
collaboratively by
volunteers around the world and the vast majority of them can be edited by anyone with access to the Internet. Steadily rising in popularity since its inception, it currently ranks among the top ten most-visited websites worldwide.
See more at Wikipedia.org...