BAKERSFIELD, CA – APRIL 29: A shopper passes a shop door advertising acceptance of purchases with Master Card, Visa, and other credit cards April 29, 2003 in Bakersfield, California. MasterCard International made a surprise announcement April 28, moments before the start of trial, that it had struck a deal with U.S. retailers over the company’s

BAKERSFIELD, CA - APRIL 29: A shopper passes a shop door advertising acceptance of purchases with Master Card, Visa, and other credit cards April 29, 2003 in Bakersfield, California. MasterCard International made a surprise announcement April 28, moments before the start of trial, that it had struck a deal with U.S. retailers over the company's demand that stores accept their debit cards along with their credit cards, leaving Visa USA to battle with retailers including Sears, Wal-Mart, and Circuit City. Retailers claim that the credit card companies are not only forcing them to pay for the extra fees but are stifling competition. (Photo by David McNew/Getty Images)