Which location-based retail technology was first implemented by major retailers to track customer movements and deliver real-time promotions based on in-store positioning?

Location-based retail technology is transforming how businesses interact with customers based on geographic data. From proximity marketing to geofencing, retailers are finding innovative ways to deliver personalized experiences tied to physical locations. Test your knowledge about this fascinating intersection of geography and retail customer engagement!

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GPS-based outdoor tracking (1990s)
Bluetooth beacons (2013)
QR code location services (2002)
NFC proximity sensors (2008)