Sigrid Baringhorst (Prof. Dr. phil.) is working at the Department of Social Sciences in the field of comparative political studies and political sociology. She is director of the research project 'Changing Protest and Media Cultures' at the Collaborative Research Centre 'Media Upheavals' (University of Siegen). Veronika Kneip is a research fellow in the project 'Changing Protest and Media Cultures' at the Collaborative Research Centre 'Media Upheavals' (University of Siegen). Johanna Niesyto is a research fellow in the project 'Changing Protest and Media Cultures' at the Collaborative Research Centre 'Media Upheavals' (University of Siegen).