A internet website which allows most people to write what they know about a certain subject to help save people in schools and colleges around the world, whether the subject is about Hittler or its about how long it takes toe nails to grow from the bottom to the top (twice as long as your finger nails and its 2 months). Wikipedia is just like the urban dictionary but there can be a page about almost anything with pictures and links. Oh and best of all, all of this infomation is free (:

Wikipedia (What I Know Is) pedia

......thats what "Wiki" stands for

Savior of high school students everywhere

A project to create the most accurate and complete free-content encyclopedia on the Internet. Written as a collaboration of users across the Internet. Basically, the UrbanDictionary.com version of an encyclopedia, without the witless comments.

The place where you go when the word you're looking for is too sophisticated to be found on UrbanDictionary.

A free online encyclopedia that knows EVERYTHING. I mean EVERYTHING. IT knows ALL.

The world's largest forum for anonymous arguments. Argue with everyone in the world on any topic imaginable. You may be Stephen Hawking, so-called "expert", but you need to reconcile your views on black holes with Bob from Idaho who thinks they are portals to Narnia and find some neutral point of view that you can both agree on.

Internet-based free content encyclopedia that provides entries submitted by regular Internet users, thus covering topics and issues more often ignored by the scholarly print-based encyclopedias. Not everything can be submitted, and there are policies and guidelines that must be followed. Is a distant relative to urbandictionary.com in that they are both free content Internet databases.

Britannica on the bathroom wall.