This document discusses the concept of Library 2.0 in East Asia. It provides examples of libraries in various East Asian countries that have adopted Web 2.0 technologies like blogs, RSS feeds, and social media. Academic libraries were often early adopters of these technologies. Common uses included library blogs to publicize resources and events. The document concludes that becoming part of the online community is more important for libraries than just understanding the technologies and that libraries should advocate for a Library 2.0 mindset.