Walmart Patents Surveillance Tool to Eavesdrop On Workers Walmart has won a patent for audio surveillance technology to
monitor workers. The technology can listen to conversations between customers and employees at checkout. The audio surveillance system uses sensors to collect audio data, such beeps or
rustling sounds. This data will be used to assess worker performance. The most invasive feature is the ability to understand conversations, to see if the employee is following the script for Walmart greetings. Walmart spokesperson, to BuzzFeed