WHAT: American Express today introduced a new experience for Cardmembers using Twitter -- Cardmembers can now Tweet using special offer hashtags to load offers directly to their Card and get couponless savings when they shop at National merchants including: Best Buy®, McDonald's, Whole Foods Market, & More. (For more information on Amex Sync Sync release attached)

Amex will showcase the new Twitter experience during a special, nationally live streamed concert from SXSW at Austin City Limits on March 12 at 7 p.m. CT featuring award-winning recording artist, JAY Z. During the live-stream, @AmericanExpress will also unlock additional exclusive offers redeemable once Cardmembers sync. Lastly, leading up to and during the concert, JAY Z fans can tweet song requests and un-lock a digital concert poster.

Where: The Amex Sync Show will be broadcast live at and also be available on the VEVO mobile and tablet platform. A specialrebroadcast will be available on-demand from March 13th to March 19th at, and on Xbox LIVE.

How: In Austin, SXSW Interactive badge holders that are American Express Cardmembers can sync their cards with their Twitter accounts for a chance to gain access to the "Amex Sync Show Presenting JAY Z" live for themselves plus one guest that is also a SXSW registrant. The concert will also be live-streamed from a digital billboard on the corner of 6th Street and Red River in Austin.

Ticket pickup will occur at the American Express Booth at the Austin Convention Center on Saturday, March 10, at 7:00 a.m. on a first come, first serve basis.

You can watch the "Amex Sync with Twitter: How To" video below...

Amex Sync with Twitter: How To