Hitachi-PX-Duo-50 board is a 50 inches plasma TV added with computer and TV tuner. The impressing point of this plasma TV is its special software that allowed user to turn this TV into electronic touch screen blackboard. Just use fingers to write on it, no more chalk or marker is needed. Hitachi expect that in the future this plasma TV board can replace conventional blackboard or whiteboard. Unfortunately this electronic board is quite expensive, right now it is available for at least US$ 7000.
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