World's fairs were like showing people what the future was going to be like. But if you wentit, if you went to some techn technology symposium,. you would probably get the equivalent of a ted talk in a way, right? Were ace fair. It's just more sagregated, ow, sure. And it's not done on the level like th yes. They just do them more often where they don't build whole cities for them, precisely a. conference center that that houses and an o onews that too. Yes. What happens was, they just used those cities, and at the end of it, they burnt them all down because they didn't want anybody