Why did some people see a gold and white dress? Our Brain 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, Ellie Wilde EW36060 Long Embroidered Tulle, Metallic Thread, Sequin, Beads, Glitter Tulle, Stretch Lining & Horsehair Sheath Dress Spaghetti Straps, Sequin, Beaded, Floral Embroidery, Side Cutout, Open Lace Up Back, Horsehair Neuroscientists Explain Discrepancy Behind "The Dress" Illusion The world's most famous optical illusion turns 10 years old Creative Bloq Dressgate: If you saw THAT dress as white your brain was working overtime