Beneath the surface of every phone, car, and cloud platform runs a vast architecture of open source code—maintained largely by volunteers who now face an accelerating paradox: AI tools generate and audit code faster than human judgment can follow. The authors of a new ACM Technology Policy Council paper, including Simson Garfinkel and Josiah Dykstra, argue that this imbalance—between the speed of machine contribution and the limits of human review—is quietly straining the infrastructure the modern world depends on. Funding remains deeply unequal, visibility into what software actually runs whe