“Now that 87 percent of people in the U.S. are carrying cell phones, big companies like MasterCard believe mobile banking could experience significant growth. Outside of the U.S., millions of people already use their cell phones to transfer money, pay bills and even buy products at a store. The concept just hasn’t caught on in the U.S. A few companies want to change that, specifically when it comes to mobile payments. Recently, MasterCard inked an agreement with a mobile payments start-up called Obopay“ as reported on NPR’s All Things Considered