The document discusses different types of web 2.0 tools including wikis, blogs, and Nings. It defines wikis as collaborative websites that allow users to edit, link, and upload documents. Nings are described as social networking platforms that allow users to create unique networks, customize options and appearance, and invite others to join. The document provides directions for creating an ad-free educational Ning network and encourages joining the Ning in Education community for help using Ning for educational purposes.