Which product design innovation is credited with revolutionizing global shipping and reducing transportation costs by over 90% in the latter half of the 20th century?

The transportation industry has seen countless innovations that revolutionized how we move people and goods. Some product designs have become iconic symbols of their era, while others quietly transformed entire sectors. Test your knowledge about a groundbreaking design that changed the face of modern transportation and logistics.

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• The standardized shipping container, invented by Malcolm McLean in 1956
• The double-stacked rail car system, developed by Southern Pacific Railroad in 1977
• The automated warehouse management system, pioneered by Amazon in 1994
• The RFID tracking tag, first implemented by Walmart for supply chain in 1983

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