Gyroscopes, accelerometers and altimeters provide more accurate positioning than is possible using global-positioning system (GPS) satellites alone.

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Amazon's figures also point to a happy holiday season for Nintendo, Apple (nasdaq: AAPL - news - people ) and global positioning system (GPS) specialist Garmin (nasdaq: GRMN - news - people ).

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Montri plays with a hand-held Global Positioning System (GPS), pressing the buttons to work out where his vehicle is on planet earth.

CNN: A Fresh Approach

Gafoor said a global-positioning system, or GPS, found with the attackers showed they had come from Pakistan.

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These services could include Global Positioning System (GPS), on-demand entertainment, Internet and Web access, or weather and traffic conditions.

CNN: The story

He also now carries his own Global Positioning System (GPS) to map locations -- both familiar and obscure -- that he visits for stories.

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It combines a conventional global positioning system (GPS) signal with those of other sensors - accelerometers and gyroscopes - to pinpoint a car's location to within 2m (6ft 6in).

BBC: Spanish scientists develop more accurate sat-nav system