Explore a 43-minute conference talk on managing grid frequency using noisy on-off appliances, presented by Simon Tindemans from Imperial College at the Alan Turing Institute. Delve into the physics of electricity grid balancing and the role of flexibility in future power systems. Examine the potential of flexible refrigeration for demand response and learn about distribution-referred control methods for complex population constraints. Discover how semi-autonomous operation and stochastic behavior impact grid management. Gain insights into the underlying principles of this approach and consider open challenges in non-trivial mean field applications. The talk covers topics ranging from elementary device models to the stochastic balancing problem, providing a comprehensive overview of innovative techniques for maintaining grid stability using everyday appliances.