Walmart will look to find out exactly how happy or unhappy its customers are with facial recognition technology
According to a patent filing revealed by Business Insider, 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 ping employees in other parts of the store and order them to report to a checkout register, in the hopes of alleviating shoppers' distress.
The patent filing reads: "Often, if customer service is inadequate, this fact will not appear in data available to management until many customers have been lost. With so much competition, a customer will often simply go elsewhere rather than take the time to make a complaints."