9:13

Dr. John Harvey Kellogg invented corn flakes at a Battle Creek sanitarium in the early 1900s, launching an industry that dominated American breakfasts for decades. Saturday morning cartoon ads and mascots made cereal a cultural staple, but Atkins diets, keto trends, and shrinkflation killed it. Kellogg's, Post, and General Mills lost control of the market, and Ferrero now owns what was once an iconic American brand.

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