At the end of every month, I used to religiously check the total internet bandwidth we'd consumed at home. A decade ago, my ISP would throttle our connection if we crossed some loosely defined threshold, so monitoring usage felt essential. Those days are long gone. With gigabit internet widely available and everyone streaming Netflix in different rooms simultaneously, I've spared myself the monthly ritual of bandwidth anxiety. It's rare for anyone to worry about internet bandwidth anymore. But I...