Smile ScanLeave it to the Japanese to take something as simple as a smile and turn it upside down with technology.

Everyday before punching in for work, employees of the Keihin Express Railway get in line to have their smiles analyzed by a computer. Smile Scan measures the curve of the mouth and gives a score ranging from 0% to 100%. Sourpusses get feedback like “you still look too serious.” There’s even a battle mode, which allows employees to compete for their job. Watch out Rock Band!

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