You go to the sponsors page and start looking for the icon on those sites. When you find one you click on it and a page will come up telling you you found it and then you have to enter your email that you registered with. It's lots of fun. I did it in November and it consumed my life for about half a month, but I won a $20 GC and got a really nice diaper. I hope I win a bigger prize this year. Those packages are really nice. All the info is on the diaperdecisions.com site. They have a good FAQ.