By comparison, online encyclopedia Wikipedia has 3.5 million English entries, though they include more detailed information.

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To protest the proposed legislation, the online encyclopedia Wikipedia said it will close down its English language version for 24 hours on Wednesday.

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Godwin now is general counsel for the parent of Wikipedia, the online encyclopedia, which itself got fooled by anonymity.

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However, the 2001 model now had access to a free encyclopedia called Wikipedia.

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The COPA members have recently launched COPApedia, a user-generated Cirrus encyclopedia modeled after Wikipedia.

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Wales, 39, is the father of the world's most sprawling encyclopedia, the online Wikipedia.

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For example, a Bing image search app shows related images, a YouTube app shows trailers related to actors in an image, an Amazon app gives links to purchase MP3s related to a musician in an image, a Netflix app shows related movies that can be watched, Celebuzz includes news about celebrities and Wikipedia shows related entries from the online encyclopedia.

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With a single tap, readers can see all passages across a book that mention ideas, fictional characters, historical figures, places or topics that interest them, as well as more detailed descriptions from Wikipedia and Shelfari, Amazon's community-powered encyclopedia for book lovers.

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Two things are certain: no encyclopedia will ever be perfect, and we will never reach consensus on all Wikipedia articles.

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If your search will likely end up in Wikipedia, for instance, with a single click over a little "W" you can search only that encyclopedia.

FORBES: Magazine Article