I snapped this photo the other day when I was walking home from work. Knowing full well that my beloved In-N-Out doesn't have locations in Seoul, I still did a double-take. Not sure where this cup is from, but whenever I find the place, I'll have my camera ready and will provide an update.
In the meantime, I've just returned from a very American dinner -chicken burrito from On the Border and Baskin Robbins for dessert. Sometimes you gotta give in and give "When in [Seoul]" the night off.