Which invention from the 1970s revolutionized retail analytics and is credited with saving US supermarkets approximately $17 billion in its first decade of widespread use?

The retail landscape has been transformed by numerous groundbreaking inventions throughout history. From the humble barcode to sophisticated AI shopping assistants, these innovations have revolutionized how we shop, how retailers track inventory, and how brands position themselves in the market. This poll tests your knowledge about a pivotal invention that fundamentally altered retail analytics and brand positioning strategies worldwide.

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The Universal Product Code (UPC) barcode system
The electronic point-of-sale (EPOS) cash register
The magnetic strip credit card
The electronic anti-theft tag system