The first few chapters of Ringworld talk about the state of the world after teleport booths make it possible to instantly travel anywhere. The protagonist is al

The first few chapters of Ringworld talk about the state of the world after teleport booths make it possible to instantly travel anywhere. The protagonist is all depressed because nowhere is unique anymore. He can hop from Shanghai to Boise and see all the same people going to the same chain stores and speaking the same dialect while doing the same thing. I can already notice the difference visiting places now compared to the 90s.