By Aaron Smith @AaronSmithCNN March 2, 2016: 12:11 PM ET
Hydrox cookies
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The iconic Oreo may be beloved, but Hydrox was there first. Hydrox was introduced in 1908 and lasted nearly a century before Kellogg(K) took it off the market in 2003. Leaf Brands, a company that resurrects extinct products, officially relaunched them in September. "Don't eat a knock off!" says the company. "Stick with the original, Hydrox."