The document discusses various Web 2.0 tools like social networking sites, wikis, RSS feeds, and media sharing sites and their implications for libraries. It encourages libraries to embrace these new technologies and allow users to collaboratively share and generate knowledge using the library's online spaces. Some specific Web 2.0 tools highlighted include wikis for knowledge sharing among library staff and patrons, Twitter for news and event monitoring, Flickr and YouTube for media sharing, and SlideShare for sharing presentations. The document argues that libraries must actively engage with these new technologies and platforms or risk being left out of important conversations.