UPDATE: The deal is over!
American Express is offering a deal currently where you can purchase a $25 Gift Card for $15. To sync your American Express card to your Twitter account, follow the instructions here.
To buy the card:
1. Tweet #BuyAmexGiftCard25
2. You’ll receive a response from @AmexSync asking you to tweet #ConfirmAmexGiftCard25
3. After tweeting #ConfirmAmexGiftCard25 – American Express will bill your card on file and send the card to your billing address on file.
The best part about this promotion is there are no activation fees and the $25 can be used anywhere and therefore you will receive a $25 card for only $15 – $10 free!
Terms and condition are here: