The Cité du Design will lead various experimentations on Saint-Etienne territory in 2015-2017. One of the topics is to tackle the retails and street level spaces. In the contemporary urban context, the classic city, with its town center and its suburbs, disappears to make way for a world of networks, connections, of multi- polarity. The flows of traffic – carried by land, sea or digital routes, take over from places. These structural evolutions are impacting both people and spaces , like the shops in the city centres. How to invent innovative proposals to activate these spaces and scales ?