By: Mileage Geek
Categories: Air Miles, airline frequent flyer programs, Airline Miles
These days, earning air miles is as easy as it has ever been. If someone wants to load up on miles to take free flights or get upgrades for first or business class seats, all they have to do is sign up for mileage program or get a credit card with mileage rewards and buy their favorite goods and services.
The concern is that there are too many miles available and not enough are being used.
During a study in 2004, it was found that people around the world had close to 11 trillion frequent-flyer miles in their accounts. Of course, every mile does not equal a dollar. Instead, the airlines sell the miles to the credit cards for two cents per mile, and then when users apply them to their next flight or upgrade, they are