Very timely, not just in terms of addressing the impact of Web 2.0 on social movements and activism, but also in that it addresses and soberly assesses the use of technology from recent protests in North Africa and elsewhere' - Stephen Duncombe, Associate Professor at the Gallatin School and the Department of Media, Culture and Communications of New York University and author of Dream: Re-Imagining Progressive Politics in an Age of Fantasy. 'Offers an incisive and challenging new direction in thinking about the context and possibilities for digital media and activism' - Joss Hands, author of @ is for Activism 'Gerbaudo's insightful observations and detailed empirical research contribute greatly to our understanding of the uses of social media in such movements' - John Sinha, International Socialism