Which ancient civilization pioneered the first known systematic product feedback system, where artisans marked their wares to track quality complaints and customer satisfaction?

The ancient world was filled with remarkable product designs that still influence modern commerce. From Mesopotamian pottery to Roman mass production techniques, ancient civilizations pioneered product development methods that were surprisingly sophisticated. This trivia question explores how ancient civilizations gathered and utilized customer feedback to improve their products - a practice that modern businesses still follow today, albeit with digital tools rather than clay tablets!

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Ancient Egypt, where royal craftsmen used hieroglyphic marks to identify their workshop's products and track returns from noble households
Phoenician merchants, who maintained clay tablet registries of customer complaints about traded goods across their Mediterranean network
Han Dynasty China, where imperial workshops stamped pottery with maker's marks to trace defects back to specific craftsmen
Ancient Rome, where the Collegium of artisans used a numerical rating system for goods sold in metropolitan marketplaces