Instead of a tiny chance of winning a huge sweepstakes, it gives you a better chance of winning a $20 Amazon GC.
You need to make sure you use whatever email you want that Amazon virtual GC assigned to. They don't have a separate payment option.

click sign-up and it says they're currently closed to new signups pending approval by Rutgers, new academic home for Civic Panel. Once approved it will be open again to new members please check back.