The hazards of the free flow of information in the “new media” in Tunisia

This article examines the role of system micro-blogging Twitter in the Tunisian protest movement mobilization that led to the downfall of President Ben Ali. Through a semio-pragmatic approach of discourses generated and shared online, turn out the interactions constructed between actors of informational mobilization and occur expressive logics deployed under the political and media context repressed. Analysis of strategies discourse of the actors involved on the platform shows the symbolic construction of social movement through the medium giving information support for militant actions undertaken in the street.