Frequent-flyer Miles
Trade or bartering of frequent-flyer miles is prohibited by nearly all major airlines, although an authorized medium exists for specific frequent flyer programs. Unauthorized exchanges of frequent flyer miles – of which several exist – are also useful examples of grey markets.
Read more about this topic: Grey Market
Famous quotes containing the word miles:
“I have been accustomed to make excursions to the ponds within ten miles of Concord, but latterly I have extended my excursions to the seashore.”
—Henry David Thoreau (1817–1862)