In little over a decade, essential concepts in research on communication have become zombie concepts (Beck; Willms, 2004) and are no longer effective for understanding the profound transformation that has taken place with the arrival of the internet. Public sphere, deliberation, audiences, public... the academic literature has oscillated between an initial optimism about the potential for strengthening democracy of communication technologies to a critical scepticism. This text reviews the academic literature with regard to the forms of social deliberation adopted in the context of the media and social networks and its impact on the public sphere
