Holland and Todd Praisner, his vice president of development, discovered that the computer systems at credit-card processing centers could instantly authorize charges for specific amounts and particular merchants, meaning that businesses could control spending in real time instead of waiting until the end of the month.

FORBES: The oops factor

Holland and his vice president of development, Todd Praisner, discovered that the computer systems at credit-card processing centers could instantly authorize charges for specific amounts and particular merchants, meaning businesses could control spending in real time instead of waiting until the end of the month.

FORBES: The Oops Factor