Peer-to-peer does not just refer to the technical infrastructure that we are building, but to the social relationships that it enables, and which are poised to fundamentally change the logic of our economics and civilization. Innovation is leaving the exclusive world of the enterprise and democracy is leaving the exclusive world of political representation, in order to be more firmly located within the bottom-up processes of civil society. What will those changes bring as challenges and opportunities? The presentation on the politics of Web 2.0. will focus on the political implications of value creation by users, and how the potential conflict between private monetazation and common production can play out in the future.