Grumpy Old Geeks Topics Retail shopper tracking Topic Retail shopper tracking 2 mentions in 1 episode The hosts discuss retailers tracking shoppers through smartphones, Wi-Fi, and facial recognition. Mentions 146: Beyond BananaDrone Feb 5, 2016 28:46 Retailers capable of tracking shoppers through their smartphones 29:04 they're using Wi-Fi to do the pinpointing of tracking and things like that and facial recognition