The article shows the results of a qualitative research on the use of social media by Tunisian and Italian youth, which is part of a broader project on Mediterranean digital culture. More precisely, this work is based on a series of focus groups, and aims at analyzing political participation, engagement and citizen journalism, by focusing on two countries deeply affected by digital propaganda – in Italy, with the growing popularity of Five Star Movement among young people, and in Tunisia with all aftermaths of the Arab Spring...