The document discusses using Wikipedia for teaching and learning in the classroom. It notes that Wikipedia is one of the top 10 most visited sites and is a non-profit organization, but its content is not managed by Wikipedia staff and it is not related to WikiLeaks. The document advocates that students write meaningful works for Wikipedia to feel their work matters beyond the classroom and benefit from collaborating on quality writing skills. It provides examples of courses using Wikipedia assignments and resources for getting started with publishing on Wikipedia.