Diet Coke is a sugar-free soft drink that was introduced by The Coca-Cola Company in 1982 as a variant of the original Coca-Cola. It is marketed as a healthier alternative, containing zero calories while still delivering the familiar cola flavor. The product's introduction exemplifies the concept of brand extension, as it expands the Coca-Cola brand into the diet beverage market, targeting health-conscious consumers and those looking to reduce sugar intake.
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