Card-linked offers work much like coupons, but without the pieces of paper; you swipe your card and then the rebate is added to your cash-back bonus....
Cash-back bonuses to new cardholders have doubled in Q1 2012, compared to Q1 2011, and rewards programs, in general, have become much more generous....
In exchange for a promotional tweet about a discount, American Express rewards its customers by allowing them to get the discount they tweeted about....