This document provides an overview of wikis and their use for collaboration. It explains that a wiki is a website that allows users to add and edit content. Wikis were created in 1995 to organize information on websites. The document encourages using a wiki to share resources like documents, lesson plans, and communicate with comments. Teachers can create folders to share class materials and use the sidebar for quick access to websites and videos. A wiki allows sharing content from anywhere without clogging emails and makes it easy to present and edit materials.