“After some 200 or so oreos, i notice that there was a difference from the american ones purchased from shinseigei,” writes flickr user Brandon Shigeta. In a very unscientific experiment, he photographs the various sugar-coated discrepancies, noting how the “Korean” ones are of lesser quality. Click through the full gallery and check out his detailed notes about texture, the thickness of creme, and loss of crunchy detail among other astute observations.