Coffee Brand Pours You a Free Cup When You Yawn at Its Vending Machine

These airport stunts never get tired

Vending machines have been developing unique personalities for some time. We've had generous ones, sadistic ones, patriotic ones. Now, we've got an exceedingly empathetic one. Check out the video below from a South African airport, where coffee roaster Douwe Egberts rigged up its vending machine with facial-recognition software to dispense free cups of coffee to anyone who yawned.

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