This work is an initial description of the emergence, development and role of local media and local radio in the province of San Luis, Argentina, which were born favored by the development of the web and social networks and the appearance of connection devices every smaller, to meet the information needs of citizens, offering alternative points of view. These means constitute a small barrier to the political and economic hegemonic power. This work contains an initial and descriptive analysis of two digital media in the province of San Luis, Argentina.