> how people access things in a way that is modern and sane
Unless teleportation is invented, if you want to have access to a large variety of things that are not just generic grocery store/post office/non-specialised gym or similar - you're going to need density.
Unless teleportation is invented, if you want to have access to a large variety of things that are not just generic grocery store/post office/non-specialised gym or similar - you're going to need density.