Diagnostic question
PMF survey result by segment
Reads the "very disappointed" share among recent core users per segment, with the number of responses.
Value
Plain label: PMF survey question
Among users who used the product at least twice in the last two weeks, what share would be very disappointed if they could no longer use it, per segment, and from how many answers?
Limits
What we don’t claim
- The threshold is a heuristic, not a measured cut-off.
Sources
How Superhuman built an engine to find product-market fit · First Round Review (Rahul Vohra), 2018
Benchmark confidence B. A reputable dataset.
Book content is paraphrased, never quoted at length. Last verified October 24, 2026.
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