White and gold, or black and blue? Dress debate rages on Twitter The Blade Ten years ago, a photo of a dress posted on Tumblr sparked a massive debate: was it blue and black or white and gold? Millions argued online, and even celebrities joined in. Scientists later explained Decision Making Biases in Group: Is the Dress White and Gold or Blue and Black? Applied Social Psychology (ASP) The Pennsylvania State University The dress: Celebrities join the white and gold or blue and black debate Daily Mail Online White Gold Or Blue Black? Twitter's Divided Again But Not Over A Dress 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