The document discusses the evolution from Web 2.0 to Web 3.0 and how this relates to libraries and information professionals. Web 2.0 allowed for remixing and mashing up of content but had issues with fragmentation and silos of information. Web 3.0, also called the Semantic Web, aims to make information on the web more open, interoperable and under user control through technologies like ontologies, taxonomies and folksonomies. ThisSemantic Web approach could help libraries with tasks like indexing, classification and metadata. The document also briefly outlines some potential applications of Web 3.0 like social networking integration and mobile access to information.