Global Positioning System (GPS) is a widely known system that uses satellite signals to trace the location and position of vehicles on earth. Formerly developed by the US Department of Defense, today it is a common feature in mobile devices and cars, which include a GPS navigation system to receive data that maps blocks of a city.
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Bearing an uncanny resemblance the Dish Network's PocketDISH, Microsoft recently revealed their new hand held, ultra portable device, with a 7-inch video screen. While not direct competitors in the strictest sense, both the PocketDISH from Dish Network and the Origami from Microsoft share an overlapping functionality in a number of areas.
RIM Blackberry is a mobile phone manufacturer specialising in PDA phones with the latest push email software and features. The company's latest release is one of their smallest and most powerful models to date, the new Blackberry 8310 Curve exclusive to vodafone.
Did you know that in civilian aviation, relative improvements are constantly made in what you could call pilot's toys? For example, there are already sectional charts made available on PDA GPS. Sectional charts are like aviation maps. Pilots use these maps in flight planning and aeronautical navigation. Additionally there are many other data's useful for safe airplane travel.