Grumpy Old Geeks Products Mastercard biometric checkout program Product Mastercard biometric checkout program 2 mentions in 1 episode The program is described as allowing purchases through a face scan or hand gesture. Mentions 554: Dicky Do May 20, 2022 59:14 Making a purchase as simple as smiling for a camera ... or waving your hand in front of a reader. 1:00:24 Their data will be converted into a digital template and encrypted.