Mail-reduction tips . When you buy a product, don't fill out the product registration card. In most cases your receipt ensures that you are covered by the warranty if the product is defective. A new way of compiling mailing lists and buyer profiles is through price scanners. Scanners help businesses keep track of their inventory and speed service at the check-out counter.
Stores generally offer product discounts as an incentive to use the card.
The store may use this information to mail coupons and other special offers to you. It may also sell the information to product marketers. So, for example, if you buy one type of soda, you might receive coupons from a rival soft drink company to induce you to switch brands. Mail-reduction tips . You may also want to pay cash at businesses which use scanners, since technology may allow the company to store your name and address if you pay by check or credit card.