Which major food company first implemented AI-driven dynamic pricing in grocery stores, adjusting prices of perishable items based on expiration dates and inventory levels?

In today's competitive food retail landscape, pricing strategies can make or break a brand's success. Dynamic pricing has revolutionized how food retailers respond to market conditions, consumer behavior, and inventory levels. This pricing approach has been particularly transformative for certain food categories and specific brands that pioneered its use in the culinary marketplace. Test your knowledge about this fascinating aspect of food retail strategy!

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Kroger, with their 84.51° data analytics division in 2014
Whole Foods Market, after Amazon's acquisition in 2017
Walmart, with their 'Everyday Low Price' algorithm update in 2016
Trader Joe's, with their 'Fresh Pricing Initiative' in 2015