The Cronut. Nacho Cheese Doritos. Kale. It may seem like food fads are random episodes of groupthink, but there are people who create crave-worthy foods for a living — and know what consumers will want before they want it, reports Vox. Says Barb Stuckey, an expert on the physiology of taste: "Slowly but surely, the kale salad will make its way to TGI Friday's menu, then McDonald's, Kraft, and, eventually, as a Doritos flavor." [Vox] [Photo: Raphael Brion/Eater]
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