Which ancient civilization pioneered the earliest known systematic form of consumer preference tracking by requiring merchants to record detailed transaction information on clay tablets?

Before modern data systems, ancient civilizations developed sophisticated methods to track consumer preferences and trade patterns. These early forms of 'retail analytics' helped merchants and rulers make informed decisions about product development, taxation, and trade routes. Test your knowledge about how ancient societies monitored and analyzed their commercial activities in ways that laid the foundation for today's customer analytics.

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Ancient Mesopotamians (Babylonians), who tracked purchases by customer categories to forecast demand for specific goods
Ancient Egyptians, who used papyrus scrolls to record the buying habits of different social classes visiting the markets of Memphis and Thebes
Han Dynasty Chinese, who implemented the 'silk road consumer index' to analyze preferences of foreign buyers
Phoenician traders, who created the first 'merchant ledgers' documenting Mediterranean customer preferences by region