All you have to do is.1. Sign up to a Samsung Account on http://www.samsung.com/us/support/account 2. Go to (My Account)3. Register your Samsung Galaxy S3 (Any Model, Any Carrier)4. Once you register your device, within a few minutes you will get a email with a special coupon code for 50% off any SGS3 accessory... including the All Share Cast Dongle.You will receive 2 emails, the first will be a welcome email and the second will be the promo code for 50% off plus free UPS Ground shipping on orders over $50.FYI - There is a time limit once receiving the promo code, although I do not know the exact duration, if someone could fill me in I would appreciate it.(This is US only)