The document discusses the benefits of using wikis and web 2.0 tools in education including collaboration, engagement, feedback, revisions, active learning, inquiry-based learning, and collective intelligence. It notes that wikis allow students to communicate outside of class, keep up when absent, post and review work, and ask questions to clarify understanding. When used at its best, a wiki can facilitate exploratory projects, content sharing, digital storytelling, and reflection. Some challenges mentioned are deciding how to change activities over time and measuring learning outcomes.