Walmart developing facial recognition technology


The nation's largest retailer is working on technology to enable store associates to respond more quickly to potential customer service issues.

The chain is developing facial recognition technology to detect frustrated or unhappy shoppers, according to a report by Business Insider. The technology uses video cameras at checkout lines that monitor customers' facial expressions and movements to identify varying levels of dissatisfaction, according to a patent filing, the report said.

Walmart also use the technology to analyze trends in shoppers' purchase behavior over time, according to the patent filing.

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