Simply give one of the following tokens to your friends and have them go to Blurthegame.com/beta to sign up and they’ll instantly get a Blur Beta Xbox Live marketplace token and a 48 hour free trial of Xbox Live Gold to join you in the action.
These are the tokens to give to your friends:
694R-GYZ4-Z6H9-PFPT
HJAT-CZGZ-TX2A-PH2P
TT9V-KZLM-VVAA-9Z96
Please post if you use em. I got these in my e-mail and thought I would pass em on. Enjoy!