I love language. And the little clues that tell us where someone is from, like what we call carbonated caramel-colored beverages.
Now, serious academics at Oklahoma's East Central University are looking into the Pop vs. Soda debate.
Here's a map that they've developed for how we use pop, soda, and Coke. Not to be too snarky, but I hope that their research methods are better than their proofreading skills. (Find the typo on the map.)