Focusing on silver-bullet solutions over comprehensive ones. Apple and Google announced an unprecedented partnership to build a Bluetooth-based contract tracing system and offered the tech for free to the CDC as well two administrations to no avail. Why was it ignored? In this instalment of Galaxy Brain, Charlie Warzel interviews Myoung Cha, a former leader on the exposure notification team. They discuss the roadblocks to adoption and how digital exposure notifications could have worked effectively to give people better information in an omicron world.