How to test startup product-market fit using guerrilla usability sessions and metrics
I test product-market fit (PMF) the hard way: not by running expensive cohort studies or waiting for months of traction, but by getting prototypes and ideas in front of real people fast. Over the years I’ve leaned on guerrilla usability sessions — short, focused interviews and hands-on trials in informal settings — combined with a small set of actionable metrics. This combo tells you whether people understand, value and will pay for what...