Which inventor is credited with creating and patenting the first self-checkout system in 1992, fundamentally changing retail customer engagement?

The retail landscape has been transformed by countless technological innovations that enhance customer experience while streamlining operations. Among these, self-checkout technology represents a pivotal shift in how consumers interact with retail environments. This poll tests your knowledge about the origins of this revolutionary retail digital transformation that forever changed the shopping experience and customer engagement model.

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Dr. Howard Graham, who called it the 'Automated Checkout Terminal'
David R. Humble, who was inspired after watching customers struggle in a long grocery line
Sanjay Patel, whose 'QuickShop' system was initially developed for Walmart
Jennifer Kowalski, whose 'ShopperScan' was first implemented in Target stores