Burger King’s Hangover Discount

From Brazil: Burger King is offering a year-end discount that is linked  to the extent of your hangover, as determined by facial recognition technology that it has employed.  To quote:

Anyone who wants help to combat their hangover the next day will be able to receive exclusive discounts on famous sandwiches of brand: the Whopper Jr. Double, Whopper and Whopper Double. Through the brand's app, the consumer will be directed to a website where it will be possible to use facial recognition technology to receive discounts based on their hungover face.

Link to video