Diagnostic question
What you can change
Finds which surfaces this user can change, so the ranked moves stay inside their reach.
Value
Plain label: scope of control question
What can you change yourself: copy, email flows, ads, landing pages, onboarding, pricing, or the app code?
Sources
Book content is paraphrased, never quoted at length. Last verified October 24, 2026.
Your product
Find the stage your product is stuck in
Gamify It reads your product, picks the one move that matters at its stage, and sizes the test to your traffic. Connecting is free; a Pro subscription starts it.