A promising new voice stick can convert can read what you write--out loud. Invented by Sungwoo Park, this cool new gadget is a portable scanning device that reads printed text and converts it into a voice. The Voice Stick can read any written document including newspapers, books and mail. It is very hard for someone with sight to understand the experience and needs of blind people, who would love to read these same newspapers, books, and mail as we all do. Braille is the most important way...