Which invention, first used commercially in 1974 at an Ohio supermarket, fundamentally transformed retail checkout and inventory systems worldwide?

The retail landscape has been transformed by numerous technological innovations over the decades. One particular invention revolutionized how products are identified at checkout, drastically reducing wait times and transforming inventory management. This innovation represents one of the most significant retail technological breakthroughs of the 20th century, combining product identification with computational systems. Test your knowledge about this game-changing retail invention that we now take for granted!

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