After watching Elon Musk's interview, it inevitably makes people think deeply. With the development of AI and robots, the future world might really become like that. After all, if the technology matures, for example in complex surgeries, the learning of robots and humans is definitely not on the same level. As Musk said, once one robot learns, all robots will learn. Additionally, with technological advancement, material output will be extremely rapid. The speed of a country's money printing machine cannot keep up with the rate at which prices and costs decrease. So, what kind of world will it be?