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<body><h1><a name="Trackball"></a>Trackball</h1>Trackball is a pointing
device used for moving the cursor with thumb, fingers or palm of the
hand. Many cellphones are nowadays coming with trackball navigation, as
it requires less space. Users can place the trackball on any surface to
easily work on devices like PCs or cellphones.<br><br>See Also<br><br><a href="http://en.wikipedia.org/wiki/Trackball">Trackball</a></body></html>