Distribution of "pop," "soda," and "coke" usage, as determined by an analysis of tweets:
Yellow dots indicate “pop,” red dots indicate “Coke,” and blue dots indicate “soda.”
Zoom out and wonder along with me why Canadians use the term most prevalent in the US southeast.
Bigger and even more more interactive map here.
Bigger static maps, showing results from different workers using different methodologies, here.