After ChatGPT detonated the field of technology, people have been discussing what the "next" development of AI will be. When this society is controlled by the owners of AI and other types of machines, will 99.9% of humans become Useless? What is the goal of human reproduction and continued survival? When human beings are useless, does the survival of human beings depend on the final decision of AI companies? [Podcast Highlights] - Introduction to GPT-4 - Experience with GPT-4.