The document discusses the concept of Web 2.0 and how libraries can embrace interactive, user-driven services. It describes several Web 2.0 technologies like blogs, wikis, RSS feeds, social bookmarking, podcasts, video sharing, and social networks. It argues that libraries should adopt these tools to connect with users, provide richer content, and make their resources more accessible to the communities they serve. Challenges include changing cultures, access through secure networks, and insular policies, but opportunities exist to engage users, enhance services, and reach new audiences.