Which supply chain innovation first revolutionized the 'first mile' of transportation logistics by standardizing cargo movement from factories to distribution centers?

The transportation industry has undergone significant supply chain transformations to meet modern logistics challenges. One revolutionary innovation dramatically reduced first-mile delivery costs and transformed how goods move from manufacturers to distribution centers. Test your knowledge of this game-changing supply chain advancement that reshaped transportation logistics and continues to influence modern delivery systems.

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Shipping containers (standardized intermodal containers)
Automated guided vehicles (AGVs)
RFID tracking systems
Cross-docking warehouse systems