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Elon Musk announces that all user data uploaded to SpaceXAI before the announcement will be completely deleted, following a reply about privacy practices in Grok Build.
This paper formalizes exact unlearning in reinforcement learning, proposing a ρ-TV-stable RL algorithm for tabular MDPs that efficiently removes a user's data influence at a fraction of retraining cost, achieving near-minimax-optimal regret bounds. The work is accepted at ICML and establishes both upper and lower bounds for ρ-TV-stable RL algorithms.
Zombie Delete is a product offering provable deletion capabilities similar to DocuSign but for data deletion purposes, enabling verifiable removal of data anywhere.