MasterCard has developed an application for customers who want to try selfie authentication. They will have to:

Select one:

a. Download a special MasterCard app that will allow them to take a photo each time they make an online purchase.

b. The scan will verify that it's a legitimate selfie -- by requiring users to blink when they take their own photo.

c. This is a ridiculous way to make a payment.

d. a & b