Which ancient civilization pioneered the concept of 'customer loyalty programs' by issuing clay tokens that frequent shoppers could exchange for discounts at marketplace vendors?

Before modern retail existed, ancient civilizations developed sophisticated marketplace systems that laid the groundwork for many customer experience principles we still use today. These early commercial centers weren't just places of transaction but social hubs where customer service, product presentation, and brand reputation were already recognized as crucial elements of success. Test your knowledge about how these ancient retail innovators approached customer experience thousands of years before digital transformation.

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Mesopotamians (Babylonians) in their central markets around 1800 BCE
Romans with their 'tessera' system in forum marketplaces around 100 CE
Ancient Chinese merchants during the Han Dynasty (206 BCE-220 CE)
Phoenician traders in Mediterranean port marketplaces around 800 BCE