This is a new form Xbox 360 Controller of marketing called "incentive affiliate viral marketing" - where companies reward you for trying them Xbox 360 accessories out and letting your friends know about it. Think of the gift you receive as "cashback" or a rebate, if you like, from the Xbox 360 Kinect advertiser TO you, thanking you for your time. If you never knew about this site and wanted XBox 360 Hard Drive to join Blockbuster, you will go to their website, and sign up using your credit card. That's it! You WOULD NOT be rewarded for doing so. 8812abc09 0106