so we know the dress was black and blue BUT that's not what i'm here to discuss : r opticalillusions 10 years ago, a simple photograph of a dress sparked a global debate unlike anything seen online before. Posted in 2015, the image caused people to argue intensely over whether the dress Eleven years ago today, an image of a dress posted on Tumblr, a social networking platform, ignited a global online debate over whether it was white and gold or blue and black. The white gold or blue black dress: The widely published original Download Scientific Diagram