Forget the medallion - the latest chick magnet gadget is a mobile phone. Undercover research by Liverpool University found lads pretending to take important calls on nightclub dance floors, in subterranean bars and other areas where it is impossible to receive transmissions. Some even used plastic imitation phones. According to Robin Dunbar,the univesity's evolutionary psychologist, "It turns out that they are one of the best devices for 'pulling'."
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