Tables, Graphs, and Illustrations . . ix Preface . . xi 1. The New Generation of Political Advocacy Groups . . 3 2. The MoveOn Effect: Disruptive Innovation in the Interest Group Ecology of American Politics . . 22 3. Political Blogs as Political Associations . . 52 4. "Online Tools for Offline Action" Neo-Federated Political Associations . . 77 5. Netroots as Networks—Building Progressive Infrastructure . . 101 6. Don't Think of an Online Elephant . . 125 7. Innovation Edges, Advocacy Inflation, and Sedimentary Organizations . . 156 Research Appendix—Method Notes for Studying Internet-Mediated Organizations . . 173 Notes . . 193 Bibliography . . 211 Index . . 227