A fresh and innovative approach to connecting technological imaginaries with social movements. Elisabetta Ferrari uses canonical influences to reinvent how we approach the question of mobilization. This book is a compelling and inspiring take on how mobilization becomes digitally remediated.--Zizi Papacharissi, author of After Democracy: Imagining Our Political Future A timely book that renews and deepens discussions on digital technologies and social justice activism. Moving beyond hype around social media, Ferrari skillfully offers empirically rich and conceptually rigorous insights on activists' imaginaries as well as the value of media technologies for activism and possibilities for creating change. A must-read for everyone interested in media and social movements.--Tina Askanius, Professor in Media and Communication Studies, Malmö University Appropriate, Negotiate, Challenge is bold and imaginative scholarship. Ferrari provides fresh perspectives and rich data, illustrating how activist movements grapple with and ultimately make sense of the digital technologies they deploy. You will learn a lot from this book.--David Karpf, author of The MoveOn Effect: The Unexpected Transformation of American Political Advocacy