Miren esto que no tiene desperdicio...<br><br><a href="http://www.engadget.com/2008/04/30/multitouch-surface-made-out-of-box-webcam-and-glass/" target="_blank">http://www.engadget.com/2008/04/30/multitouch-surface-made-out-of-box-webcam-and-glass/</a><br>
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