Card members also earn double miles on all purchases, whether its everyday items like groceries and gas or for bigger ticket items like airline tickets and appliances. (Credit-Land.com)
The main difference is that cardholders also earn double miles for purchases at telecommunications, car rental merchants and at gas stations. (wisebread.com)
Not only do you receive the free bonus miles, but you also earn double miles on any ticket you purchase. (thepointsguide.com)