The document discusses wikis and their uses for education. It begins by explaining that a wiki is a collaborative website that allows users to edit content. It then provides several examples of how teachers can use wikis, including as organizers for course materials, for student research projects where they can compile and edit each other's work, as comment forums for peer feedback, and as online galleries for student artwork. Overall, the document promotes wikis as a tool that can be integrated into any curriculum to enhance collaboration and sharing of information among students.