At O.R. Tambo International Airport in South Africa, there is a coffee vending machine, but it doesn't really charge money. As long as you yawn at its facial recognizer, it will know that you are tired, so a cup of delicious coffee will be delivered to you.
2015-10-28 Hit yawn coffee South Africa O.R. Tambo international airport oneAccording to the US blog news site gawker.com on July 25, in order to turn its coffee into a first-class brand in the eyes of sleepy people, Dutch roaster Dewey Egbots has installed a vending machine at Tambo International Airport in South Africa to sell coffee by collecting customers' yawns. The vending machine is equipped with facial recognition software that can recognize about 200 yawns.
2014-09-12 Free coffee coffee making coffee encyclopedia coffee cultureWhen you're sleepy, yawn and get free coffee right away? Although it may not sound credible, it is true that pie falls from the sky and charcoal is sent in the snow.
2014-05-29 Coffee news coffee machine creative coffee machine