What revolutionary 'consumer product' did the ancient Mesopotamians create around 3400 BCE that transformed information accessibility and is considered one of history's first mass-produced retail items?

Long before modern retail, ancient civilizations developed sophisticated consumer products that shaped their economies and daily lives. From cosmetics in Egypt to mass-produced pottery in Rome, these early product innovations established patterns of consumption and branding that would influence commerce for millennia. This trivia question explores one of history's most significant early retail product developments that revolutionized knowledge distribution.

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Cuneiform clay tablets with standardized educational content
Perfume bottles with manufacturer seals
Bronze coins with merchant endorsements
Reed baskets with quality certification marks