My brother just bought a 360 tonight and he wanted to go on Live. The website says that every 360 has a 1 month trial, but there is no card in the box. So does anyone know how this works?

http://www.xbox.com/NR/rdonlyres/1BBC6F0C-3CF4-4B8C-9C40-49F897C72E2B/0/didyouknow_intro.jpg

Sign up to XBL and it will say that you are eligible for a free month of XBL.

thanks, he's trying to figure out a name now. hahaha