Now you can use your smart phone and your face as a password...next step is??? https://techcrunch.com/2016/10/04/mastercard-launches-its-selfie-pay-biometric-authentication-app-in-europe/
I used to LOL at the idea of pay pass, now it's like the most convenient thing ever. I bought something not long ago and their pay pass machine was faulty. Shit. I had to remember my passcode... almost needed to sign the receipt. At that stage it's like is whatnim buying really worth the effort? Signing my name. Ain't got no time for that!