With the increasing expansion of Internet access and the migration of printed newspapers to the virtual medium, a new subject entered the scene in the production routines: the "prosumers". From the empirical perception of the mutations that occurred in the exercise of the journalism profession after the proliferation of technologies that allowed the advent of new supports for the freedom of information and, consequently, of expression. The contemporary citizen both consumes and produces the arsenal of information contained in the network. This paper aims to analyze the phenomenon of participatory journalism by investigating how the news-values manifest themselves in citizen journalism. The speed of the transformations brought about by the Internet and the need to discuss issues that delimit the frontier between the journalist's role and that of the citizen.