Your order — which takes 60 seconds to process, and another 60 seconds to cook — won't be started until you scan a QR code at the cash register seen here. When your sandwich order's ready to be picked up, an employee will scan your bar code or receipt, upon which your credit card will be charged. This means a few things: first, that you can make last-minute decisions about when and where you're going to pick up your order; second, that your two-minute grilled cheese won't be made until you're actually inside the restaurant; and third, that your order is adaptable up until the eleventh hour.
Of course, if you don't dig the tech thing, you can still stand in line the old-school way. Kaplan predicts 10 to 20 percent of people will use the mobile website for ordering, and that number will never top 50 percent.