Andrew Ng wrote insightful article in HBR a while ago about what an AI can and cannot do. He highlights that if there’s a mental task that a human being can do in few seconds, you can probably automate it. In my opinion, these types of problems have a following structure, Single person decisions: these decisions are often replacing decision making of single human being. Scale factor: You need AI to help you in tons of such decisions in order to make meanigful impact.