American Express Twitter: $20 Credit for Spending $200 or More at BestBuy

To be eligible to receive the statement credit:

(i) you must have an American Express Card that is synced with Twitter (see sync.americanexpress.com/twitter for more details on how to sync your Card);
(ii) you must tweet using #AmexBestBuy20;
(iii) you must receive an “@ reply” message from @amexsync stating that this offer has been added to your synced Card; AND
(iv) you must use your synced Card to make a single purchase of $200 or more at the listed merchant in store/online by 9/16.