2 resources from Doctor Market Fit we point founders to, and the questions each answers.
✍️ Essay
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Coelen explains why founders can't segment their market from a desk using industry reports, they have to talk to real customers to find the fault lines, which directly supports the short answer's call to interview people outside your own bubble. It is a clear, modern explainer written specifically for founders stuck exactly where this question starts.
This piece gives you a checklist for evaluating whether a slice of your industry is a genuine beachhead: urgent problem, willingness to try something new, and reachability, which maps closely to the acute pain, budget, and fast decisions test in the short answer. Use it to pressure test your first cut of the market before committing resources to it.