MasterCard International Aug, 26 unveiled MasterCard SideCard, a stylish new payment card which features a modified design small enough to fit in succession a key ring. An alternative to the traditional- sized payment card, MasterCard SideCard, which works in all swipe terminals at the point of sale, obstacles today's busy cardholders speed between the walls of the payment process by way of offering an ultra-convenient new form that can easily be carried and used at the point of sale. Issued