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**About Wikis**
Wikis are web sites created by groups of people. The people might or might not know each other, they might be in the same room or across the world, they might work at the same time or months apart. The world's biggest example is Wikipedia, where complete strangers contribute their knowledge to this far-ranging, collaborative effort without ever meeting each other.

Some notable features of wikis

 * The creator can give different levels of permission to different people, i.e. viewing, editing, organizing (includes ability to invite more people to join)
 * The "history" button shows every change made to a given page, and it allows you to restore any version
 * You can see all the recent edits and organize them by name; that way you can see all changes made by a given person
 * Each page has a "discussion" tab that allows for conversation about the page's contents, layout, links, etc.
 * Some wiki systems don't allow more than one person at a time to edit a page; others attempt to allow it, but sometimes lose one person's changes.

What's the difference between a web site and a document?
There doesn't have to be any difference, but usually a web site has some features in addition to text: links, images, perhaps embedded videos or other features. Here's a video that might be of interest. (Please use headphones or turn down your computer's volume).

media type="youtube" key="-dnL00TdmLY" height="349" width="425" align="center"

Example wikis // (please add yours!) //
Wikipedia entry on Norway (click on "Discussion" tab to see interesting conversation about the page) Immigrant Interview Project (project in Tina Bessias's World Literature course) After the Factory (a personal project by Tina Bessias and others)