Writing archive

Latest writing

Research notes, product teardowns, and market signals from the edge of AI adoption.

  1. AI Adoption in Japan: Reality vs Hype

    Everyone says Japan is slow to adopt AI. The real story is more specific, more uneven, and much more useful for builders.

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  2. How Cursor Built a $9.9B Business on Developer Trust

    Cursor did not win by being another editor. It won by meeting developers inside a high-frequency workflow where trust compounds quickly.

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  3. Why Most AI Startups Look the Same

    I analyzed the pattern behind generic AI products and found that sameness usually starts before the landing page.

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  4. What Makes an AI Product Defensible?

    Most AI wrappers fade when the platform catches up. The durable ones build around data, workflow depth, distribution, and trust.

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  5. The Quiet AI Opportunity in Japanese Service Operations

    The most interesting AI market in Japan may not be flashy consumer apps. It may be the operational middle of service businesses.

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  6. Build Log: Pricing Page Analyzer

    A small AI tool started as a research habit: looking at pricing pages and asking what the product was really trying to sell.

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