Seventy-nine days later, Coca-Cola brought back original formula as "Coca-Cola Classic." Sales exploded. The company learned painfully what Kotler would later formalize: Marketing 1.0 (product-first) works when competition is simple, but fails when customers have emotional bonds.
Facing this data, Coca-Cola’s executives—true to —focused entirely on the product . Their reasoning was simple, rational, and engineering-driven: "Our product’s taste is losing in blind tests. Therefore, we must engineer a better-tasting product. Consumers want the best functional product. We will give it to them." After two years of secret development, they created "New Coke"—a sweeter formula that beat both Pepsi and original Coke in 200,000 blind taste tests. The product was objectively superior by their metrics.
Coca-Cola forgot that people don’t buy soft drinks only for taste. They buy for nostalgia, identity, emotion, and habit. The "product" was more than a chemical formula—it was a cultural artifact.