Which inventory management technology, first used in a Cincinnati supermarket in 1974, revolutionized retail by allowing the first automated product tracking system?

The history of retail inventory management has seen remarkable technological evolution over the decades. What began with manual ledgers transformed through barcode systems to sophisticated AI-powered solutions we see today. This poll tests your knowledge about a pivotal technological breakthrough that fundamentally changed how retailers track and manage their inventory. Do you know which innovation marked the true beginning of modern retail inventory management?

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

The UPC barcode system, pioneered by IBM and scanned on a pack of Wrigley's chewing gum
IBM's first RFID inventory tags, tested on grocery products
NCR's electronic cash register with integrated inventory counting
Walmart's proprietary SKU number system