Introduction: The cultural logic of networking -- The Seattle effect -- Anti-corporate globalization soldiers in Barcelona -- Grassroots mobilization and shifting alliances -- Performing networks at direct-action protests -- Spaces of terror : violence and repression in Genoa -- May the resistance be as transnational as capital! -- Social forums and the cultural politics of autonomous space -- The rise of informational utopics -- Conclusion: Political change and cultural transformation in a digital age.