Consumers Union (CU) is an expert, independent, nonprofit organization whose mission is to work for a fair, just, and safe marketplace for all consumers and to empower consumers to protect themselves. To maintain its independence and impartiality, CU accepts no outside advertising and no free samples and employs several hundred mystery shoppers and technical experts to buy and test the products it evaluates. CU publishes Consumer Reports, one of the top-ten-circulation magazines in the country, and ConsumerReports.org, which has the most subscribers of any Web site of its kind, in addition to two newsletters, Consumer Reports on Health and Consumer Reports Money Adviser.