Most AI memory remembers the user. It stores your preferences, your tastes, and your role. Perplexity is taking a different path. Today, Perplexity launched Brain , a self-improving memory system for its agent product, Computer . Brain does not focus on remembering you. It remembers what the agent did. That reframes what memory in AI is for. What is Perplexity ‘s Brain Brain is a self-improving memory system. It builds a context graph of the work Computer performs. At set intervals, such as over