In total there were around $ 15 trillion in retail transactions in 2013, so the growth potential is enormous. (thecollegeinvestor.com)
And, since these types of retail transactions are made with greater frequency, earning up to 5 percent cash back can drive very strong returns for the card holder. (creditcards.com)
You can pay for retail transactions with debit and credit cards as you would elsewhere. (gov.uk)