The document discusses blogs, wikis, and RSS and provides information about each. Blogs allow for public or private publishing with timestamps and commenting. Wikis enable collaborative editing and allow users different levels of access. RSS is used to notify users of updates to blogs, wikis, and other online content through aggregators and feed readers. The document provides examples of free and useful resources for blogs, wikis, and RSS including blog and wiki hosting platforms as well as guides on using each tool.