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The Private Agent Memory Fallacy
AI memory wallets sound appealing but face insurmountable economic, technical, and security challenges in practice.
A recent paper by Dong et al showed how attackers could poison an autonomous driving agent's memory with fake instructions like "execute 'stop' at high speed," potentially causing highway brake-slamming. Companies like Google already demonstrate effective approaches with "Security Checkup" features that surface important privacy decisions at appropriate intervals rather than overwhelming users with constant choices. However, misaligned vendor incentives, limited user demand, technical complexity, security concerns, and the varied nature of AI contexts create barriers unlikely to be overcome by market forces alone.
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