Explore contention resolution without collision detection in this ACM conference talk. Delve into the setup of a shared channel, feedback mechanisms for players, and the classic problem of contention resolution. Examine the state-of-the-art approaches assuming collision detection and using collision detection. Investigate exponential backoff for contention and discover a new algorithm that addresses the problem. Learn about simulating two channels, their roles, and the basic algorithm structure. Understand how to handle batch players, fresh arrivals, and the challenge of stragglers. Gain insights into an innovative algorithm for contention resolution that overcomes traditional limitations.