Soon the window glass becomes cool to touch as the train climbs more than 1, 000 metres into a bare, otherworldly landscape of boulders and snowdrifts, navigating beautiful but treacherous mountain country through high passes and tunnels hewn from solid rock.

BBC: The perfect trip: Norway

Among the new technologies on display is a device that transforms the front window of a store into a giant touch screen.

WSJ: New Technology to Lure Shoppers

' While watching a video, with the touch of a button, the video will become a floating window on the display.

ENGADGET: Samsung Galaxy Note II to land 'by mid-November' on all major US carriers