The Discovery Ladder is a synthesis of the customer discovery canon, recalibrated for a moment when the hard part of startups has moved from building to knowing what's worth building.
The customer discovery canon was written when building was expensive. Discovery was insurance against burning months on the wrong code. AI broke that deal — a working prototype now takes a weekend, and the deterrent that used to enforce discipline is gone.
We kept meeting founders who had shipped something real to nobody in particular, collected a few likes, and called it iteration. The Discovery Ladder is our answer: a framework that pairs every stage of customer evidence with a build artifact, so doing discovery and making progress are the same act.
Darren works with founders at the earliest, messiest stage — when an idea is still a hunch and the evidence is thin. The Discovery Ladder grew out of a recurring frustration: watching capable teams ship polished products to people who never asked for them. He built the framework to give founders a way to tell real customer signal from their own optimism.
Frank is co-author of Talking to Humans and a longtime practitioner of customer development. He has spent years teaching founders that the interview, not the demo, is where the learning happens. The Ladder is his attempt to make that discipline survive in a world where building has become almost free.
Start with the four levels and the ship artifacts on the home page.
Explore the Discovery Ladder →