Which ancient civilization's marketplace innovation is directly reflected in modern retail customer engagement practices?

Before modern retail existed, ancient civilizations had sophisticated marketplaces and trading systems. Their approaches to commerce shaped modern shopping habits and retail concepts in ways we rarely recognize. This trivia challenges you to identify how an ancient civilization's retail practices influenced modern customer engagement techniques that are still used today. Test your knowledge of historical commerce and its lasting impact on modern retail!

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Roman 'tabernae' merchants who employed professional greeters at shop entrances to welcome and direct customers to relevant products
Egyptian merchants who pioneered the concept of 'silent selling' where customers browsed without interaction until ready to purchase
Mesopotamian traders who introduced the first subscription-based model where customers paid monthly for regular deliveries
Chinese Han Dynasty merchants who developed the first loyalty program using ceramic tokens exchangeable for discounts