Scanning the Future with New Barcodes
Linda Dailey Paulson · Computer · 2011
2D barcodes typically store data such as a product's lot number and expiration date, and a URL for the manufacturer's website. They could also take a user to an advertiser's website. The barcodes are most widely used for marketing, such as to enable customers to get coupons, obtain store or product information, or participate in promotional contests.