Japanese railway to make workers take 'Smile Scan' test
The device analyzes the facial characteristics of a person, including eye movements, lip curves and wrinkles, and rates a smile on a scale between 0 and 100 percent using a camera and computer.
For those with low scores, advice like "You still look too serious," or "Lift up your mouth corners," will be displayed on the screen.
For those with low scores, advice like "You still look too serious," or "Lift up your mouth corners," will be displayed on the screen.
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