American Express moves into the gaming world with a co-branded experience with your Xbox Live console.
You can sync your eligible American Express® Card with your Xbox LIVE Gamertag on Xbox 360 for exclusive content, offers and more. You can also unlock special experiences and additional offers from American Express by reaching specific achievements in Halo 4.
Amex takes its Card Sync technology to Microsoft's Xbox LIVE's "Halo 4" where members can unlock content and for offers...Register...Sync...Unloock. More HERE.