Sign up for the opportunity to be a member of the Nielsen Homescan panel!
From the site:
As a panel member, you’ll earn valuable gift points for scanning and transmitting UPC barcodes. At any time during your membership, you can redeem these points for exciting gifts from our Gift Catalog. Whether it’s electronics equipment, household items, jewelry, or toys, we’re sure you’ll find the perfect gift in our catalog. The longer you stay on the panel, the more points you’ll earn! Most panel members stay on our panel for many years.
Great way to earn prizes while influencing the marketing decisions of the manufacturing companies!