This image is a screen shot of the platform Smart Citizen realized to generate participatory processes of people in the cities, started by the Fab Lab Barcelona at the Institute for Advanced Architecture of Catalonia. Based on geolocation, Internet and free hardware and software for data collection and sharing ( Smart Citizen Kit – SCK , RESTful api, Mobile App and, the web community ), and – in a second phase – the production of objects, it connects people with their environment and their city to create more effective and optimized relationships between resources, technology, communities, services and events in the urban environment. Currently it is being deployed as initial phase in Barcelona city.