This document summarizes Nat Torkington's talk on Gov 2.0 at ALGIM 2009. Torkington discussed how governments around the world are using modern web and internet tools like social networking, collaborative tools, open data, APIs, and citizen journalism to better engage with citizens. Key aspects of Gov 2.0 discussed include using data sharing, APIs, and third-party applications to create more open and collaborative government services that empower citizens. Torkington provided examples of successful Gov 2.0 projects and emphasized the importance of openness, reuse of data, and enabling bidirectional engagement between government and citizens.