Maya Ray used a credit card to fund her vending-machine business ... Many vending-machine operators recommend buying a machine with a card reader or installing one into a refurbished machine.

For the first time, researchers have developed an inexpensive, secure method to prevent mass credit card fraud using ... performing transactions with a vending machine, a gas station, and a ...

Several years ago, they started adding technology like credit card readers to relate more to ... The opportunity to retrofit the front door of a vending machine, instead of buying a new machine ...