Which retail innovation was the first to use geographic mapping data to create location-based product recommendations for in-store customers?

In the evolving landscape of retail, geographic data has become a powerful tool for personalizing customer experiences. Location-based recommendation systems have transformed how retailers connect products with consumers based on their physical location, regional preferences, and travel patterns. This trivia question explores a landmark innovation that merged geographic data with retail product recommendations. Test your knowledge about this technology that has since become ubiquitous in modern shopping experiences.

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Beacon technology by Apple (iBeacon, 2013)
Google's Local Inventory Ads (2018)
Amazon Go's proximity sensors (2016)
RFID-based ShopperTrak system (2010)