Everywhere in the world’s major cities, new modes of mobility are appearing to facilitate the transportation of city dwellers. Among them, self-service scooters are considerably changing our relationship to urban space. This playful and colorful machine may be participating in a terraforming project, of which we seem to be unaware? The notion of Stack, proposed by Benjamin Bratton, can guide us to better understand this vehicle that is both ultra-local and infinitely global—while turning photography into a tool for a finer observation of the state of our techno-organic planet.