>Miles were never free. They just used to be paid for equally by everyone--including people not using credit cards! In effect, it was a sales tax imposed by Vis

>Miles were never free. They just used to be paid for equally by everyone--including people not using credit cards! In effect, it was a sales tax imposed by Visa and Mastercard on everyone. Well, no. Interchange fees come out of retailer profits. That's why retailers care about them.