If you live in a technophile city like Taipei, you'll have been enjoying underground 4G for a long time now, but in London the rule is that you have to bid adieu to your mobile connectivity when diving into a tunnel. The city's Mayor has been active in encouraging (forcing?) the major British carriers to install the necessary equipment to provide coverage on the Tube, and now we're hearing that ambition has stretched beyond the nation's borders as well. The Daily Telegraph reports that Vodafone, O2, Everyt
