New Information and Communication Technologies (ICTs) have changed the way how people interact in the new virtual spaces. Politics, as an expression of such interaction, is no exception to this. This study focuses on the contraposition of the mobilizing and normalizing theses, in its aim to demonstrate that social networks are a valid source for electoral political processes analyses. Therefore, the research focuses on the online dynamics generated by the five major presidential candidates in Costa Rica, during the 2013-2014 electoral campaign, in their official Facebook profiles. The study assess each candidate's communication, interaction and, finally, mobilization capabilities as from these virtual spaces. Such data are complemented and contrasted with national opinion polls results, as well as the final election results, finally showing Facebook's political value.