Intelligent coffee machine: yawning to deliver coffee

Douwe Egberts, a South African coffee company convinced that its coffee can definitely make people fall in love with it, is in O.R. Tambo International Airport has installed a smart coffee machine called "Bye Bye Red Eye".

Unlike ordinary coffee machines on the market, this face-recognition device doesn't charge a fee. As long as a sleepy friend yawns in front of the screen, the coffee machine will be activated immediately, and then a cup of fresh, hot and mellow coffee will be served for free to help refresh you. It is reported that during the promotion period,"Bye Bye Red Eye" has already sent coffee to 210 tired passers-by, and whether Douwe Egberts 'products are really delicious or not, but as a really direct publicity method, it is worth learning from.