Which retail logistics innovation was first successfully implemented at scale by Amazon in 2019, revolutionizing last-mile delivery in dense urban areas?

The 'last mile' of delivery has always been the most challenging and costly segment in retail logistics. In recent years, transportation companies have implemented various innovative solutions to optimize this final stretch. Test your knowledge about a groundbreaking development that transformed how products reach consumers in urban environments, reducing both costs and environmental impact while increasing delivery efficiency.

This is a live public trivia poll on AIPolls.Net. Vote and see real-time results.

Micro-fulfillment centers integrated with public transportation hubs
Autonomous delivery drones with rooftop landing capabilities
Underground pneumatic tube delivery networks
Consumer-to-consumer delivery networks (package sharing)