The practices of participation and engagement are characterised by complexities and contradictions. All celebratory examples of uses of social media, e.g. in the Arab spring, the Occupy movement or in recent LGBTQ protests, are deeply rooted in human practices. Because of this connection, every case of mediated participation should be perceived as highly contextual and cannot be attributed to one (social) specific media logic, necessitating detailed empirical studies to investigate the different contexts of political and civic engagement. In this volume, the theoretical chapters discuss...