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"The &amp;#039;Penveu&amp;#039; was invented as a device to make teachers and business people interact better with audiences be more engaging. It&amp;#039;s small enough to fit in the palm of one&amp;#039;s hand, and its simple design makes for easy use.  The technology in this device is based off technology used in military cruise missiles and smart bombs. Using complex optical systems, one can use this gadget to write on any surface from point blank up to 40 feet away. One can even change the pen color and the thickness of the lines they&amp;#039;re drawing with. It can also be switched to mouse mode, which can control a computer screen.  This small device is a better solution than interactive whiteboards, because it provides mobility for the user and costs less."^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.trendhunter.com/trends/penveu>