Product Lifecycle Plays Purpose Decide what to do with a product that has stopped growing. There are three plays — extend , replace , retire — and picking the wrong one is expensive in a different way each time. This skill gives you the stage diagnosis, the criteria that discriminate the plays, and the hazard register for the one that goes wrong most often. Most teams skip straight to a play. Someone says "let's rebuild it" or "let's kill it," and the argument that follows is about the answer rather than the diagnosis. The diagnosis is the work. Input Works best with: The product or product l…