In its inception, the social network Facebook was created for entertainment purposes. However, in this new digital age, interaction through social networks has become a new means to act. In these, a user can share a post or react to it if they feel it is aligned with their own interests. In this way, the user’s interest or emotions towards a certain cause or event are expressed and they can identify with it. One cause was to combat violence against women from the #NiUnaMenos social movement, in which they organized a massive march in August 2016 in Lima. In this article, it is attempted to find out how the use of Facebook influenced the formation of the aforementioned movement in Lima during 2016. It is proposed that it was done in two ways: as a means for collective mass organization for offline activities and as an instrument to build a discourse seeking to improve a situation throug...