Syncing Your Amex Card With Twitter. Hmm...

American Express has launched a brilliant Twitter feature that, sadly for the rest of us, lets US card holders turn customised Twitter hashtags into savings. Just sync your Amex card with Twitter, look out for specific #Amex hashtag offers which get uploaded directly onto their synced card and boom! AMEX showcased the new feature at SXSW during a performance by Jay-Z - which we missed :(