It scans text with a wave, but DocuPen’s no magic wand

USA today reviews DocuPen’s, pen scanner. It looks like a great gadget, but check out USA Today’s review.
The DocuPen is one of those gadgets that both charms you and breaks your heart. You don’t know you need it until you find it. Then, when you realize you need it, it leaves you unsatisfied.(full story)