Which company invented and first implemented the barcode scanning system that revolutionized retail checkout in 1974?

Throughout history, retail technology has revolutionized how we shop and interact with products. Many inventions we take for granted today were once groundbreaking discoveries that transformed the industry forever. This poll tests your knowledge about the origins of a pivotal retail technology that changed commerce worldwide. Think you know your retail tech history?

This is a live public trivia poll on AIPolls.Net. Vote and see real-time results.

IBM, with the first scanner installed at Marsh Supermarket in Ohio
NCR Corporation, with the first scanner installed at Kroger in Cincinnati
Fujitsu, with the first scanner installed at 7-Eleven in Tokyo
Siemens, with the first scanner installed at Carrefour in France