Samuel Arbesman:

One of the clearest regional differences in the U.S. can found by tracking the words people use to refer to soft drinks, which is in fact the map you saw at the top of this story. Pop or soda, or even Coke, these small linguistic differences are not as small as we might think. While “soda” commands the Northeast and West Coast (green) and “pop” is in between (black), “Coke” reigns in the south (turquoise).

Neat map.

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