Which IoT technology has most significantly reduced 'last-mile delivery' costs in urban transportation logistics since 2020?

The transportation industry is rapidly evolving with Internet of Things (IoT) technology transforming supply chain management. Smart sensors, real-time tracking, and automated inventory systems are creating unprecedented visibility and efficiency in moving goods from manufacturers to consumers. How well do you understand the cutting-edge IoT innovations reshaping transportation logistics? Test your knowledge about the technologies driving the future of retail transportation networks!

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Smart locker networks with automated access control and inventory management
Blockchain-based shipment verification systems
Augmented reality glasses for warehouse picking operations
Drone-based delivery confirmation photography