I'm not sure if it's exactly the same thing, but this sort of service has been available in Pakistan for a while now - http://www.youtube.com/watch?v=5kL--YSnFP

I'm not sure if it's exactly the same thing, but this sort of service has been available in Pakistan for a while now - http://www.youtube.com/watch?v=5kL--YSnFPo http://www.youtube.com/watch?v=5kL--YSnFPo