they do work, i have recieved prizes from them. you can use my referral link or just type the url in.. check em out.

points anr prizes for various things, mostly surveys and offers
http://www.sixquestions.com/ImAFriend.asp?me=30714

awesome shirts you cant find anywhere else, design your own, win money and shirts.
http://www.threadless.com/?streetteam=nettamalattia

rate music, get music.
http://home.promosquad.com/referal.s...ldx114&band=62