Donatella della Porta is Professor of Political Science and Director of the Centre on Social Movement Studies at the Scuola Normale Superiore, Florence

Acknowledgments
1. Democratic Innovations and Social Movements
2. Crowd-Sourced Constitutionalism: Social Movements in the Constitutional Process
3. Referendums from Below: Direct Democracy and Social Movements
4. Movement Parties in the Great Recession
5. Progressive Movements and Democratic Innovations: Some Conclusions
Bibliography