Will we ever have personal sat-navs?

Satellite navigation for the everyman. 

22nd July 2009
Will we ever have personal sat-nabs? (iStock)

Asked by: Jan Martin, by email

We already do: several mobile phones, including the iPhone now include GPS technology to display your current position on a map.

Other systems such as the iPod touch can use the relative strength of nearby WiFi access points to roughly determine your position.


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