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Field notes.

Essays on building AI products and operating a company — written from inside the work, not after it.

Why a complete user loop — not a polished interface — is the real unit of product, and why an honest error beats fabricated output.

Activity is not health. The one question that now governs every commitment: does this create revenue, margin or leverage?

Marketing sets the promise; operations keeps it. Why the gap between the two is where growth is actually won or lost.