10 years ago today, this dress was posted online, turning into a viral phenomenon. Viewers couldn't decide if the dress was blue and black, or white and gold. It was later confirmed ELI5:Why does this dress appear white gold to some people and black blue to others? : r explainlikeimfive This dress went viral over 10 years ago because everyone was seeing different colors! I see black and blue, others see gold & white, it's the strangest thing! what colors do 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. Alessia Gold Button Knit Dress ModernSways