Many years ago, I was sitting in a McDonald’s indoor play area. My two girls were chasing each other through a maze of tunnels, nets, and pools of plastic bacteria-ridden balls. There was no Internet or cell phones. So I did what you normally did in the old days when there was no FB or Instagram or texting to keep you occupied: I people watched. It must have been more than 20 years ago because I’m pretty sure I was pregnant with Unit #4. I have no idea where my oldest son was–maybe Kung Fu Class. Anyway, I was definitely there to kill some time and get out of the…