This document is a presentation by Eddie Byrne on Library 2.0 given in 2007. It discusses how Library 2.0 focuses on library users and involving them in service creation and evaluation through technologies like instant messaging, wikis, blogs, and social networking. It provides examples of libraries using these technologies, such as instant messaging reference, subject-based wikis, blogs for announcements and reviews, and social networking profiles on MySpace and Flickr.