Want to Stop for a Coke?

This map (link via the Corner) is interesting, although I think Southerners' preference for "Coke" as a generic term for all soft drinks is a little overstated. When referring to a generic soft drink, you don't hear us say, "What kind of Coke would you like?" or "pick up some Cokes at the store" nearly as often as we sometimes lead Yankees to believe. Or do we?