Explore the implementation of differential privacy for the 2020 U.S. Census in this USENIX Enigma Conference talk. Delve into the scientific, technical, and organizational challenges faced by the U.S. Census Bureau in bringing cutting-edge privacy technology from theory to practice. Learn about the development process, including assembling a team, creating a reference implementation, transitioning to Amazon Web Services, and redesigning the implementation framework. Discover how the Bureau conducted experiments, performed end-to-end testing, and re-released data from the 2010 Census using the new system. Gain insights into the evolution of differential privacy since its invention in 2006, the technical hurdles overcome, and the ongoing efforts to meet user expectations. Understand the complexities of deploying differential privacy in a large-scale statistical operation and the implications for future privacy-preserving data releases.