The maps are their own territory, their own objective reality, not just a reflection of the real world but a branch of it. Weckert was showing us all how data and maps can affect the world they’re meant to chart. “Maps have the potential as an instrument of power,” he said. “They substitute political and military power in a way that represents the state borders between territories and they can repeat, legitimate, and construct the differences of classes and social self-understandings.”