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A comment on Dry erase board lined with IR sensors to record pen strokes [video]. Parent comment

Re:Dry erase board lined with IR sensors to record pen strok... by arey_abhishek on Friday September 11, 2015 @04:01PM (#10205854)
I like #2 & #3 options better than doing a KS. Going to think about this. Thanks, appreciate this.
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