Which ancient civilization invented the first known retail loyalty program, where clay tablets served as 'receipts' that customers could collect and later exchange for discounts on future purchases?

Long before modern shopping malls and e-commerce, ancient civilizations developed sophisticated retail systems that laid the groundwork for today's commerce. From the agoras of Greece to the forums of Rome and the bazaars of Mesopotamia, these early retail innovations shaped how humans would trade goods for millennia to come. Test your knowledge about these remarkable early retail innovations that changed the course of human commerce and product exchange.

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Ancient Egyptians, who offered loyalty discounts at royal granaries around 2000 BCE
Mesopotamian Babylonians, who implemented merchant loyalty systems around 1800 BCE
Ancient Chinese merchants during the Zhou Dynasty (1046-256 BCE)
Roman market vendors in the early Republic period (500-300 BCE)