Which bring up the subject of visible versus (mostly) invisible infrastructure. Large new hydroelectric projects are now rare but compare communications infrastructure of now to that of even the turn of the century and one can see a huge amount of spending and capacity taking place constantly. But buried fiber isn't seen, it's pretty much magic to most people. Cell and microwave towers only get noticed when they're an eyesore but otherwise go unnoticed. It's this invisible infrastructure where much of our investment now goes.