Minimum Product Sanity: The Framework PMs Use to Spot Obvious Failures Before Launch
Most product teams have a Definition of Done. Almost none have a Definition of Sane to Ship.
Product scandals are born from questions nobody asked. Or questions somebody asked and got ignored.
This post introduces Minimum Product Sanity (MPS), my framework for surfacing predictable failures before they become headlines.
Before you continue, make sure you’ve read: 2025’s Most Absurd Product Decisions