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The competitive analysis my model writes is wrong. Here is why I still ship it.
The model's competitive analysis is wrong in ways I can predict. That is exactly what makes it useful. Three prompts, one edit pass, and the reason a…
Jul 28 • Luiz Macedo
Senior PM to Principal PM is not about more scope. It is about ambiguity.
More scope is the story people tell. Ambiguity is the actual job. What changes, what breaks, and what to practice before the title moves.
Jul 21 • Luiz Macedo
The part of customer synthesis I still do by hand
Recording, transcript, the prompt I run, and the five minutes at the end that a model cannot do for me. Yet.
Jul 14 • Luiz Macedo
Specs are not documents. They are commitments you can be held to.
If a sentence in your spec cannot be measured, tested, or disproved, a model will happily fill it in. And you will happily ship it.
Jul 7 • Luiz Macedo

June 2026

The PM artifact stack is collapsing into prompts
Most of the documents we write are about to get cheap. Here is what does not, and why.
Jun 30 • Luiz Macedo
What I am doing here
A senior PM's working notes on craft, careers, and the AI shift. Plus why I am writing them in public.
Jun 23 • Luiz Macedo
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