| http://www.w3.org/ns/prov#value | - The downside is that such cards generally attract less loyalty ??? and thus less spending ??? than a credit card tied directly to a customer's favorite airline, which allows the customer to earn points more quickly by flying on that airline and spending money on that card.That said, some airlines, including Delta, are changing the way that they award points to frequent fliers ??? essentially makin
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