How could the author have left off AUTOMOBILES? Predictions vary from the personal automobile disappearing in 5 years up to 25 years from now. Why own your own automobile when your phone will order one to your door in five minutes and you pay only for what you use, not for the asset depreciating away in your garage or work parking lot? In a decade or two, people won’t even know how to drive any more. Then in a few decades after that, cars won’t even have manual controls any more. Big changes coming to transportation.
It’ll be especially convenient for the next Obama or Maduro type that gets elected. We’ll be picked up thinking we’re headed to to local drug store but find ourselves on a one-way trip to the reactionary processing center.
Doing some writing. In the late 21st century I have th flying car. Then 60 years later the Chinese and Japanese collaborate on a three level liner synth for flying cars. the top lane is express and the middle for causing and the bottom for descent or docking at buildings 2nd and third floor.
I have synths controlling traffic since 2065 and they speed up the flow. So after the dying cars and synths and second floor walk ways across streets, the streets of Ny are park like and easy to walk. Bodegas and food carts on the second floor level in cross wars between buildings.