If you are under 30, you will probably not understand. There was a time when there were millions of these things across the United States. They were once as ubiquitous as stop signs as you could find on on just about every corner. Every neighborhood bar had one. Every gas station. Every supermarket, restaurant, post office, convenience store, movie theaters, well, just about every public place you could think of. And in places where people congregated in larger numbers, there were BANKS of these things. Airports, shopping malls, sports stadiums, and highway rest areas had rows of them! I'm talking...