Regarding Supermarket Loyalty Cards, a Shopper Provides Demographic and Shopping-Related

Regarding supermarket loyalty cards, a shopper provides demographic and shopping-related information when applying for the cards.At check-out, the UPC-coded loyalty cards are swiped prior to scanning the items for purchase.Typically, databases gather the list of items that are scanned at check-out and match them to the shopper's records.

A) Maintaining these databases reduces grocery-store profits by 11 percent each year.
B) In 2004, Congress proposed legislation limiting loyalty card programs.
C) The supermarkets' data from these loyalty programs cannot be sold to syndicated research firms.
D) Forty percent of supermarkets have reported increased sales as a result of implementing their loyalty card programs.
E) Most consumers are unaware that the supermarkets have all this information on them.