By joining the Nielsen Home scan consumer panel, you will have the ability to influence the products you see on store shelves when you go shopping. Participation is free and easy. Nielsen consumer panel send you a hand-held scanner designed to read barcodes on items that you buy. It only takes a few minutes to scan before putting your purchases away. Then, once a week, the scanner transmits your purchase data to them (free of charge). As a panel member, you’ll earn valuable gift points for scanning and transmitting barcodes. At any time during your membership, you can redeem these points for exciting gifts from their Gift Catalogue.