If you put everything in the same place ppl end up being on crowded shoulder to shoulder - very difficult to walk 100 m to do what you need. Its like putting t

If you put everything in the same place ppl end up being on crowded shoulder to shoulder - very difficult to walk 100 m to do what you need. Its like putting too many cores in a CPU without addressing the memory bus. Better an architecture where a core largely has everything it needs locally and only occasionally needs to go elsewhere; hierarchically seeking larger, harder to reach, memories This is not the suburban model - in suburbia everything is far from everything. Even your next door neighbor. Instead, in my model, everything you typically immediately need (grocer, baker, pharmacist) is within walking distance (ideally, no public transit needed!).