I’m not sure but I would guess that the Drive Through is an American invention: A way to quickly get a meal for an on-the-go society. I think this idea seems to have been lost on an increasingly lazy society. This has never been more evident than at a recent Dunkin Donuts drive through experience I had. I figured it would be a good time to discuss Drive Through Etiquette. Mind you this problem is not limited in any way to Dunkin Donuts and these suggestions should be carried through with you to other Drive Throughs.