I want to build [an idea].
First state the problem: who has
it, how they solve it today,
what that costs them, and what
evidence says it's worth
solving.

Define the Problem Before the Product

Forces the problem statement before the solution.

Prompt

I want to build [a product idea]. Before we design anything, help me state the problem precisely: who has it, how they solve it today, what that costs them, and what evidence I have that it's worth solving.