This document discusses the use of wikis in the classroom. It begins by defining what a wiki is, noting that it is a type of website that can be easily edited by multiple users. It then provides some examples of popular wikis like Wikipedia. The rest of the document focuses on promoting the use of PBWorks, a specific wiki platform, in educational settings. It lists benefits like simplifying document sharing and version control. It also provides examples of how teachers can use wikis to share assignments, calendars, presentations and student work with classes.