I was watching a documentary on bronze ages last night. A line stuck with me. After the invention of bronze tools farming got more efficient and people had more time on their hands. They used it to BUILD cities (and everything in it). That's the true human spirit that can't be diminished. Are transitions usually violent (also economically and politically)? Yes. Bigger the technological advancement, bigger are the transitions. We are going to be witnessing a massive re-training of an entire workf...