Most people aren’t paying for things with their phones just yet. If you are, maybe you’re just getting used to using your fingerprint to authorize a transaction.

MasterCard is blazing right ahead with an app that will let you pay for items with your face.

Technically, you pay using your MasterCard, obviously. But to authorize your mobile payment, you look at your camera’s selfie cam and blink once to prove you’re a human.

This story has everything America loves: buying stuff, cell phones and selfies.

Happy Fourth of July, everyone!