The document discusses the concept of Web 2.0 and how libraries can utilize various Web 2.0 tools and technologies to better engage with communities. It defines Web 2.0 as a social phenomenon enabled by technology that allows users to collaborate, share content and interact online. It provides examples of Web 2.0 tools like wikis, blogs, social networking and recommends 13 specific tools that libraries can adopt, including wikis, social networking, photo sharing and video sharing.