I’m sure everyone has gone to a super-market to buy one item, and have to stand in line for a long time just to pay for it. To solve this issue, Wal-Mart may have a solution where customers could buy items directly in the aisle, and skip waiting in lines at the cash register.
Using Apples EasyPay featured on the IPhone 4 and 4S, customers could simply scan the bar code, enter their Apple ID, and walk out with the item. Wal-Mart is also interested in Near Field Communication, which is short range wireless technology that enables communication between certain devices to better enhance their payment feature.
I think with the implementation of a payment system like this would be a neat change, rather than waiting in line to pay for an item. Although its convenience, every new type of technology would carry along new vulnerabilities and exploits. I think it would take some time to work out the bugs with a system like that, not only for the customers but for staff to recognize that a customer had actually paid for an and left with it without going to the cash registers.