Which ancient civilization first implemented a standardized 'point of sale' system using clay tablets that recorded transactions, inventory, and even customer information?

Before modern retail and e-commerce, ancient civilizations developed sophisticated systems for trade and commerce. From the bustling marketplaces of Mesopotamia to the complex trading networks of Rome, these early societies created innovative solutions for buying, selling, and exchanging goods. Test your knowledge about the product systems and commercial practices that helped shape these influential ancient economies!

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Sumerians in Mesopotamia (c. 3500 BCE)
Ancient Egyptians during the New Kingdom (c. 1550 BCE)
Indus Valley merchants (c. 2600 BCE)
Chinese traders during the Shang Dynasty (c. 1600 BCE)