Wikipedia

For those not familar with www.wikipedia.com you should definitely check it out!  Wikipedia is the fastest growing public encyclopedia around.  Since it's creation in 2001 that have been more than 5.3 million articles created and translated into over 100 languages.  The best thing about Wikipedia is the fact that it is a collaboration project that is always in progress.  The name Wikipedia is derived from wiki (which is a type of collaborative site) and encyclopedia.  Therefore everyday thousands of people login to Wikipedia to create new entries and modify existing entries with new information.  It is a ever-growing encyclopedia!  Visitors that add to the website do not have to have a specialized background to make an entry.  Articles can be written by anyone, regardless of age, social background, or knowledge.  Unlike paper encyclopedias, wikipedia can be updated with the latest information that may be hours, minutes or seconds old.  Articles can also be reviewed by editors to make sure that the information that is posted is correct.  Articles can also be back-reved to previous versions just incase someone attempts to vandalize the entry.

Teachers could definitely use this website with students for current events or history projects.  Having access to such a site can be a big time saver.  No longer do you have to run to the library to do research in an encyclopedia.  All the work can be done in the computer lab or your own home.