Digital data degrades. Like a book left in a damp room, information stored on physical servers has a lifespan—yet we produce it faster than at any point in human history. This research begins with that paradox: an unprecedented accumulation of information built on a physical infrastructure that is deliberately invisible. As cloud computing and artificial intelligence expand exponentially, these centers have transitioned from hidden utilities into dominant drivers of regional architecture and territorial planning. They consume vast quantities of land, energy, and water, yet remain hidden from the citizens whose data they store. Invisibility is not incidental; it is by design. This self-directed research project maps and analyzes the physical distribution of data centers within the Metropolitan City of Milan to counter this engineered opacity. By overlapping critical computing facilities against high-voltage grids, transportation corridors, and historical industrial zoning, this spatial audit reveals the precise infrastructural determinants that anchor the virtual cloud to physical territory. Ultimately, this work proposes that data infrastructure must be decentralized and integrated into the urban fabric. By making these structures present, legible, and proximate to the communities they affect, architecture becomes accountability made physical.