The document discusses the concepts of Web 2.0 and how they can be applied in libraries, leading to the idea of "Library 2.0". It describes key aspects of Web 2.0 like being user-centered, collaborative, and harnessing collective intelligence. It provides examples of Web 2.0 technologies like wikis, blogs, RSS feeds, and social networking and how they have been adopted by some libraries. The document argues that Web 2.0 offers opportunities for libraries to become more interactive, user-driven, and social if they embrace these new technologies and ideas.