The document discusses wikis and their uses for education. It begins with common questions about wikis, explaining that they are websites that allow anyone to easily create and edit pages without technical skills. It then outlines several benefits of wikis for classrooms, including facilitating collaboration on group projects, serving as platforms for discussion boards and study guides, and allowing students to create online stories and glossaries together. The document also provides step-by-step instructions for setting up wikis using the Pbwiki platform and introduces other related web 2.0 tools like blogs, podcasts, and social bookmarking.