Gloria Hunniford, Angela Rippon and Julia Somerville investigate the various ways companies try to give what they're selling the edge, and they expose the secret sales techniques used to pressure more vulnerable customers into buying products they simply can't afford. The team also go behind the scenes at the testing centre that determines which goods should receive one of the country's best-known endorsements. But is it being exploited by companies that don't deserve it? Plus tips on protecting your mobile phone, and why the competition to win impressive-sounding awards may not always have been quite as fierce as you might have assumed.