Nokia, who apparently likes promotions on a large scale, teamed up with Stockholm-based agency Farfar to promote its navigation technologies by creating the biggest signpost ever. The giant digital arrow was hung by a crane 50 metres above the ground in London. By sending in texts or going online and providing any destination in the world, Londoners could control the arrow, which would point in that direction as well as provide the distance. Check out a video on the project here.  

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