The fluidity of modernity has surely reached the outskirts of the earth when even the new Pope Franciscus admonishes his cardinals that “our life is a journey and when we stop there is something wrong. […] If one does not walk, one gets stuck.” The current economic crisis has enhanced the fear of congestion and the interruption of flows: the circulation of capital in the first instance, but also of people and stuff, and of ideas and knowledge. It is time to rethink mobility.