Which company launched the first major cashierless retail store concept called 'Just Walk Out' technology, allowing customers to shop without going through a checkout line?

The retail industry has been transformed by technological innovations aimed at improving customer experience and operational efficiency. One of the most significant recent advancements has been the development of cashierless stores, where shoppers can simply take items and leave without traditional checkout. Test your knowledge about this cutting-edge retail technology that's reshaping how we shop.

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Amazon
Walmart
Microsoft
Alibaba