In ancient Rome, what innovative retail layout feature was introduced in Trajan's Market that revolutionized shopping and is still used in modern malls today?

Before modern retail came the ancient marketplaces that set the foundation for commerce as we know it today. The layout and organization of these ancient commercial centers were carefully designed to maximize trade, security, and social interaction. Test your knowledge about how ancient civilizations structured their commercial spaces and what innovative retail strategies they developed that still influence modern commerce.

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Multi-level shopping complex with specialized zones for different product categories
Drive-through collection points where customers could pick up pre-ordered goods from their chariots
Rotating seasonal displays that changed monthly according to agricultural harvests
Virtual reality displays where customers could see products in use before purchasing