Which major food retailer was the first to implement nationwide 'Electronic Shelf Labels' (ESL) with dynamic pricing capabilities in the United States?

Retail technology is transforming how we shop for food. One of the most significant innovations in recent years has been the development of smart shelf technology in grocery stores. These systems use various sensors and AI to track inventory, monitor freshness, adjust pricing dynamically, and even interact with shoppers. How well do you know about this cutting-edge technology that's changing the grocery shopping experience?

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Whole Foods Market
Kroger
Walmart
Albertsons