Public reasoning around social contention: A case study of Twitter use in the Italian mobilization for global change

Social media have become central to the organizational and logistic dynamics in contemporary social contention. Not only have they eased centralized processes of information sharing between social movement entrepreneurs and social movement publics, they have also bolstered the crowdsourced management of public discussion around social contention. This article investigates the use of social media for public reasoning around issues related to social contention. By investigating Twitter streams with reference to the Italian chapter of the 15 October 2011 polycentric protest for global change, this study specifically addresses the use of this medium in the aftermath of protest events of high impact for the general public. The quantitative analysis of longitudinal progression, networking mechanisms and processes of meaning construction in over 8000 tweets shows that Twitter does bolster public reasoning around social contention. It does so as a news medium rather than a conversational platform, primarily providing a space to share information alternative to that available in mainstream media coverage.