How do you validate you have problem <> solution fit?

An approach that has worked for me, treading in 0 to 1 spaces:Use in-depth interviews (IDIs) to understand deeply understand your target users' psyche. You don't have to ...

Product–solution fit is the stage where a solution clearly addresses a real user problem in a way that’s good enough for early users to adopt and return to it. I like to ...

Generally I have relied on customer or user discovery and creating Lean Canvases to articulate the problem and ways to solve them for the market and user. During this use...