Wikipedia review:


You can edit and create Wikipedia entries within this interface, which resembles that of a basic text editor.

Wikipedia grew out of the open-source movement, which advocates free, community-constructed software. Thus, volunteers--even you--can write the articles after first testing your skills in the self-guided Sandbox section. Each hyperlink-laden article includes a discussion tab for comments and queries, a tab to edit the page, and a tab that displays the history of page edits. You can click to sister sites via icons at the bottom of the page. Thanks to its ease of use, detailed entries, and community spirit, Wikipedia is a favorite resource for bloggers.

Launched in January 2001, Wikipedia boasts a huge content warehouse: more than 1 million articles in English; more than 300,000 articles each in French, Polish, Swedish, Portuguese, Spanish, Dutch, Italian, and German; and over 1,000 articles in 62 other languages. Wikimedia Commons also offers a bank of more than more than 800,000 audio, music, image, and video files, to which readers can upload their relevant media.

User-driven Wikipedia covers topics that more traditional encyclopedias don't.

Wikipedia's readers view several billion pages each month and instantly update news and information worldwide. For example, unlike its disk-bound competitors, Wikipedia had an article on Supreme Court nominee Harriet Miers the day of her nomination. Wikipedia also has plenty of historical entries, but its more obscure information sets it apart. After all, you won't find pictures of Carhenge (a Stonehenge-like structure made out of sedans) or a biography of Captain Kirk (Starfleet serial number SC 937-0176 CEC), in Britannica or Encarta. Wikipedia articles are generally thorough and accurate, and it's a useful and quick tool. Plus, you can chime in with your own details on any subject; contributing and editing aren't limited to credentialed writers. Wikipedia's collaborative nature serves literate DIYers well.

Readers can upload their own media through the Wikimedia Commons page.

Yet the do-it-yourself nature of Wikipedia creates unique problems, such as vandalism--particularly with controversial topics. This summer, Wikipedia was flooded with phony edits after cable TV comedian Steven Colbert encouraged his viewers to do so. And readers have inserted churlish edits into an article on President George W. Bush. The community of some 500,000 registered "Wikipedians" is supposed to fix such aberrations as soon as possible and occasionally locks articles from editing to preserve their integrity. Top-notch contributors can become gatekeeping Administrators, who aim to keep content balanced and block disruptive users; however, it's unclear whether they can keep up with the ever-expanding volume of articles. Wikipedia's founder, Jimmy Wales, encourages contributors to cite sources for their data--a process that works surprisingly well. The most heavily edited articles are generally the most accurate.

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