One of the things that we're testing—and that Apple is as well—is beacon technology, Bluetooth technology that essentially allows you to walk into a store, and, if you've opted into this, you've checked in. You don't even have to take your phone out of your pocket. Through facial technology, facial recognition, you pay. Your face is transmitted to the POS system, and you pay and walk out. We're on the bleeding edge of change that we can't even imagine—
On February 13th, 2014. See this statement in context.