He added that the robot's ability to follow a person made it "an interesting navigation machine which might end up useful in other domain, such as search and rescue".

BBC: BigDog four-legged robot now sports throwing arm

Well, PocketNow got their hand on the top-end iCN 750 in-car navigation system to see just how useful downloading location-mapped pictures can be.

ENGADGET: Navman iCN 750 GPS navigator with NavPix reviewed

With GPS in mobiles as standard, years ahead of the UK, the keitai has also evolved into a seriously useful navigation tool here.

BBC: Near field communication transforms travel in Japan

With Sprint's Everything Data and other plans that include Truly Unlimited data, Sprint is continuing its history of data leadership by making it easy for its customers to use data in all the ways that are useful to them, such as news, email, music, TV and GPS navigation, without worrying about data overages on their monthly bill.

ENGADGET: Sprint's Galaxy Note II to arrive October 25th, with LTE and $300 price tag