Rest your head against a train window, hear VOICES in your SKULL

'Kill! No wait, give Rupert Murdoch some Monneyyy'

Sky's ad agency has been showing off train windows capable of pushing ads direct into the skulls of tired commuters, as though advertising wasn't all-pervasive enough already.

The Talking Window uses bone conduction to startle commuters who rest their weary head against the glass of the train window, admonishing them for failing to have Sky Go installed on their mobile phone - which would keep them awake and alert with last night's Murdoch-supplied TV.

The video claims bone conduction is "so far only used by deaf people and the military" which is, of course, nonsense. There's a range of headphones and other kit using bone conduction these days, including the famed Google Glass, and one can even buy a $65 kit to turn any hat into a skull-connected sound system, should that be desirable.

But this isn't about soothing melodies or motivating exercise; this is about scaring the bejasus out of anyone foolish enough to rest their forehead against a train window, and selling some Sky subs along the way. ®

Updated to Add

Sky UK have been in touch to say that this isn't them. We're told:

Based on the corporate branding and product logo, and the fact that the ad company is German (BBDO Dusseldorf) ... this is potentially a Sky Deutschland project ... we are a separate company from Sky Deutschland.

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