When we visited the set on a recent freezing afternoon in Paju city, just north of Seoul, filming was moving at breakneck speed.
The voice-controlled chatbot will live inside employees' headsets. The company said the AI is trained to recognize when its low-paid workers utter phrases like "welcome to Burger King," "please" and "thank you." Managers can then keep tabs on their location's "friendliness" performance.
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Marianna SpringSocial media investigations correspondent