Which retail innovation was first pioneered at transportation hubs and led to a revolution in grab-and-go shopping with automated checkout?

The transportation industry has embraced innovative retail strategies to enhance customer experience at airports, train stations, and transit hubs. These transportation retail environments face unique challenges including limited dwell times, diverse customer needs, and space constraints. This poll tests your knowledge about a revolutionary retail innovation that transformed the transportation shopping experience and set new standards for convenience.

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Amazon Go's Just Walk Out technology, first tested at Seattle-Tacoma International Airport in 2018
Hudson Nonstop automated retail stores, using Amazon's technology at Dallas Love Field Airport
CIBO Express Gourmet Markets with scan-and-go technology, launched at JFK Airport in 2016
Zippin's checkout-free platform, first implemented at Sacramento Kings' Golden 1 Center in 2019