Originally posted on Gigaom:
American Express (s axp) is partnering with Twitter and letting its members link a merchant coupon to their card by tweeting out a hashtag from a retailer. The service is similar to one that American Express has with Facebook, letting consumers use their favorite social network to take advantage of special offers.
The way it works is that consumers who sync their credit card to their Twitter account will be able to tie offers from merchants to their card by including a specific hashtag in a tweet. When they go to redeem their offer with a purchase using their synced card, the discount will be applied to their card and reflected in their account within a few days, according to American Express. Users don’t have to actually clip a coupon or print anything out to take advantage of the service. They just have to send a tweet and the…
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