Go check out Covergirl's Facebook page. I found out about it because I am a bzzagent at bzzagent.com. I love Covergirl's Facebook page. It's very interactive.
Once you like Covergirl click on the my Covergirl link. You then can fill out a quick survey about mascara - things like what type of brush you like and whether you like waterproof or not. By doing this you will be entered into winning a Covergirl Lash Blast Mascara. Good luck everyone!