Which ancient civilization created the world's first known retail loyalty program using clay tokens that customers collected to exchange for discounts on future purchases?

Before modern malls and e-commerce, ancient civilizations developed sophisticated retail systems that laid the foundation for today's commercial practices. From Mesopotamian marketplaces to Roman shopping complexes, retail history began thousands of years ago with innovations we still use today. Test your knowledge about the retail operations and commercial innovations of our ancient ancestors!

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Ancient Egyptians during the New Kingdom period (1550-1070 BCE)
Lydians in Asia Minor around 600 BCE after introducing the world's first standardized coins
Phoenician merchants across their Mediterranean trading network around 800 BCE
Ancient Romans in specialized shopping districts (macellum) around 200 CE