Walmart deveoping smart camera to spot unhappy shoppers

Walmart is developing a facial recognition system to monitor customers at its checkouts for signs of anger and dissatisfation. The technology uses video cameras at store checkout lines that monitor customers' facial expressions and movements to try and identify varying levels of dissatisfaction, according to a patent filing. If the system detects an unhappy customer, it will alert employees and order them to report to the register. The technology uses video cameras at store checkout lines that monitor customers' facial expressions and movements to try and identify varying levels of dissatisfaction. If the system detects an unhappy customer, it will alert employees and order them to report to the register.