Amex sync

(Alan Rappa)

Now You Can Buy Stuff With A Tweet: Amex’s Twitter Sync Turns Hashtags Into Cashtags

Last year American Express launched its “Amex Sync” integration, where customers could link up their credit cards to Twitter and get discounts on certain items by way of special offers sent out on the social network. And now the two companies are turning hashtags into dollar signs with a joint venture that allows users to buy certain items simply by hashtagging tweets. [More]