In 1985, Coca-Cola made a controversial brand decision that led to significant consumer backlash. What was this historic product strategy mistake that became a case study in brand management?

Throughout history, successful brands have had to adapt to changing times, consumer preferences, and global challenges. Coca-Cola, one of the world's most recognizable brands, has undergone significant transformations since its creation in 1886. This trivia question explores a critical moment in Coca-Cola's brand strategy history that fundamentally changed the company's trajectory and set a precedent for crisis management in product marketing.

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Introducing 'New Coke' and temporarily discontinuing the original formula
Removing all caffeine from Coca-Cola products without consumer notification
Changing their iconic red branding to blue to compete with Pepsi
Replacing glass bottles with aluminum cans against consumer protests