Besides a brief presentation about commercial modernization forms occurred during the late nineteenth century and throughout the twentieth, the objective of this paper is to show how retailing contributes to renewal the social living and the whole city. It allows to highlight the main current research questions asked by geographers, planners, developpers and policies actors through the relationships between the city and retailing activities nowadays, both in consumers praticing and in new retail planning concepts. Are those last urban projects able to reconcile trading, city and urbanity ?Outre un bref rappel des formes de modernisation commerciale produites depuis la fin du XIXe siècle et tout au long du XXe, la finalité de cet article est...