Nadia Rooney can't understand the reasoning behind the Dixons ad by M&C Saatchi: 'On what planet do clean-cut businessmen and women come out of successful international business meetings and, instead of punching the air with a satisfying 'Yes!', do an impression of flapping chickens that have just been prodded in their nether regions? And all this to the strains of Caribbean horns. What's it all about? 'They're doing the limbo!' I hear you cry. This ad should be sent into limbo more like.'