Is the dress blue or gold? The phenomenon originated in a photograph of a dress posted on Facebook in 2015. The dress was black and blue, but the conditions of the photograph 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 The 2015 Dress Illusion Explained (Why People Saw Different Colors) Here's why people saw the dress differently. 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 Can you believe its been 10 years already?, In 2015, this dress absolutely broke the internet. , Some people saw white and gold. , Others were convinced it was blue and black. , And a decade