Which ancient civilization invented the world's first known retail loyalty program, where merchants gave clay tokens to regular customers that could be collected and exchanged for goods?

Before shopping malls and supermarkets, ancient civilizations developed sophisticated commercial systems that laid the foundation for modern retail. From the grand bazaars of Mesopotamia to the specialized markets of Rome, these early retail environments featured innovative methods of merchandising, customer service, and brand differentiation that would be recognizable to today's retail executives. Test your knowledge about these ancient retail innovations that have shaped commerce for millennia.

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Ancient Egyptians during the New Kingdom period (1550-1070 BCE)
Phoenician traders across their Mediterranean trade network (1500-300 BCE)
Roman shopkeepers in urban centers during the early Empire (27 BCE-180 CE)
Byzantine merchants in Constantinople's markets (330-565 CE)