In this module, a second brain is a folder of files that your agent reads and adds to when you ask.

In depth: 11 · A second brain that stays with you → “What a second brain means in this module”

Related: memory · channel · citation

Appears in

• 10 · Model Training: What's inside a model
• 11 · Second Brain: Security: everything that comes from outside · Practice: build your own second brain

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checked against the course: 2026-11-02 · 664b147