Why docs matter more than prototypes in the AI era

round · x · 2026-08-22

The quoted tweet argues that since AI has lowered the cost of building, prototypes—which previously looked so real that people assumed decisions were final—should be delayed. It suggests asking 'why' first, writing a doc to align on reasoning, and only then prototyping. The reply adds that prototypes are communication tools for contextualizing design and expressing ideas, not solutions or substitutes for user testing.

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