Eleven years ago, a single photo posted on Tumblr sparked one of the biggest internet debates of all time. The dress instantly divided the world, some swore it was white and gold, Transitional 6 drawer 53" Double Dresser DenHour This explains how the blue black white gold dress illusion was possible. But it doesn't explain why some people saw it one way and some saw it the other, and no one seemed to see so we know the dress was black and blue BUT that's not what i'm here to discuss : r opticalillusions