sign up invite friends and collect cards http://tf2cards.ca/track/refer/qz6d6sn62o COLLECTING IS EASY! By sharing the cards with your friends, you can earn points to unlock your next available card. There are lots of easy and fun ways to share! 1 - Click on your first available card to reveal the character. 2 - Use the "share" button to add your Trading Card to Facebook, MySpace, Twitter and other cool social networks. Or, send it to your friends by entering their email address and a personal message*. You can also copy and paste a special "code" for chat app's like MSN. 3 - As your friends sign up, you earn points to unlock your next TRANSFORMERS ROTF Trading Card and reveal a new character! Each locked card reveals the amount of points needed to unlock it.