Which company first pioneered and implemented 'smart shelf' technology in retail stores that could automatically detect when products needed restocking?

The Internet of Things (IoT) has transformed retail operations in numerous ways, from inventory management to customer experience. One of the most significant innovations was the development of 'smart shelves' - shelving systems with integrated sensors and RFID technology that can automatically track inventory, detect misplaced items, and even analyze shopper behavior. This poll tests your knowledge about this groundbreaking retail technology that bridged the physical-digital divide in stores worldwide.

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Amazon with its Amazon Go stores in 2016
Kroger in partnership with Microsoft in 2015
Walmart's experimental lab store in 2012
Intel and Prada's collaboration in 2002