British mobile bandwidth hogs won't have to curb their data enthusiasm anytime soon if a scheduled 'super WiFi' trial minds it manners. Led by Microsoft and backed by the UK's biggest TV providers, this roided-up wireless network surfs along the spare 150MHz spectrum that terrestrial television avoids. Christened the 'white spaces,' networks abroad (and in the US) maintain these unused frequencies to prevent signal interference, but with MS' Dan Reed calling spectrum "a finite natural resource," operators don't have