CITIDEP is a private, non-profit, multi-national research institution, whose primary objective is to study participatory democracy, in particular through the research, development and demonstration of new information technologies, of its impacts, and of ethical, social, political and planning frameworks that enable participatory mechanisms in the information society. CITIDEP has its headquarters in Lisbon, Portugal, European Union, but it is open to researchers from any country in the world, through national chapters and multi-national research clusters. CITIDEP has some 80 affiliates in 9 countries, with 4 organized chapters (France, Portugal, Mexico and USA). In English and Portuguese.