Square is a small unit about the size of a postage stamp that plugs into the headphone jack of various smartphones, media players and computers. Users swipe their cards into the device, and then sign ...

Financial services startup Square is trying to turn the swipe of a credit card into an act of generosity. To pull it off, Square is unveiling a red credit card reader that will serve as a charitable ...

Credit card swipe charges, also termed as interchange fees. These are charges imposed on a user every time they use their credit cards for transactional purposes. These charges cover operational ...