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Andrej Karpathy Drops a 'Second Brain' Pattern — Argues Most Obsidian Note-Dumps Are a 'Second Drawer,' Not a Brain
Karpathy is circulating a pattern for what a genuine 'second brain' should look like, arguing that dumping notes into Obsidian produces a passive 'second drawer' rather than an active, queryable memory. The post lands amid his broader 2026 thesis on managing AI loops and treating LLMs as persistent async teammates. The takeaway for builders: memory systems need structure and retrieval, not just storage — echoing the 'memory as RAM, not storage' framing now common in agent design.
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