This burger chain wants to replace cashiers with machines that analyze your face and know your order

Caliburger Kiosks

CaliBurger has created a machine that uses facial-recognition technology to remember orders, with customers ordering simply by smiling at a kiosk.

Source: www.businessinsider.com

Biometrics and face recognition trying to be the frictionless transaction. This is in Pasadena, CA being tested currently (Caliburger).