Build Less Solve More

Build Less Solve More

A fortnightly read on building software products in the age of AI, for leaders responsible for a product that customers, advisers or staff rely on. One essay from inside the work, plus the sharpest things I've read, filtered hard. No hype. Just signal.

Where the time saved goes

Nov 3, 2026

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3 min read

Where the time saved goes

Build Less, Solve More · Issue 4

Adrien Castelain
Adrien Castelain
Who asked for that feature?

Oct 13, 2026

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3 min read

Who asked for that feature?

Build Less, Solve More · Issue 3

Adrien Castelain
Adrien Castelain
Your product is too complicated. And too simple. At the same time.

Sep 9, 2026

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4 min read

Your product is too complicated. And too simple. At the same time.

Build Less, Solve More · Issue 2

Adrien Castelain
Adrien Castelain
Rules That Hold, Rules That Don't

Aug 25, 2026

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3 min read

Rules That Hold, Rules That Don't

Build Less, Solve More · Issue 1

Adrien Castelain
Adrien Castelain