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Submission + - Sony projector can record notes scribbled on image (

angry tapir writes: "Sony will sell a projector that displays and saves notes scribbled onto the images it projects. The projector comes with two battery-powered infrared pens, which it uses to track what is being written on the screen. Both pens can be tracked at the same time, and each can also be used as a standard computer mouse during presentations."
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Sony projector can record notes scribbled on image

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"Necessity is the mother of invention" is a silly proverb. "Necessity is the mother of futile dodges" is much nearer the truth. -- Alfred North Whitehead