Proximity marketing is a tactic that allows marketers to target prospective audiences with advertising content based on their current location, irrespective of time and place. Bluetooth, QR codes and Barcodes, WiFi, BLE Beacons, geofencing, and NFCs facilitate proximity marketing.Proximity marketing is paving a new way of providing low-cost, real-time location-based marketing that is ... https://www.geekschip.com/blog/proximity-marketing