"Klein’s proposal, which he calls the “premortem,” is simple: When the organization has almost come to an important decision but hasn’t committed itself, it should gather a group of people knowledgeable about the decision to listen to a brief speech: “Imagine that we are a year into the future. We implemented the plan as it now exists. The outcome has been a disaster. Please take 5 to 10 minutes to write a brief history of that disaster."

Kahneman: Bias, Blindness and How We Truly Think - Bloomberg

Definitely a great addition to any pre-launch checklist that you may have.