Snickers became the world's best-selling candy bar in part by incorporating nougat, caramel and nuts -- and selling the product as a filling, premium-quality snack. "What Snickers did really intelligently was position itself as being satisfying and really separating itself out as not being a candy bar but more nourishing, more of a food," said supermarket consultant Phil Lempert. It's the precursor, in a way, to the modern-day energy bar.
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