We have published a number of articles regarding the use of radio frequency identification to assist those unable to see. I am unaware, however, of any applications in which a blind person would carry a tag. That seems like it would be a difficult solution, since the world would need to have readers situated everywhere in order to interact with that individual. The cheaper solution would be to provide him or her with a reader, and to then deploy tags throughout an area.
Here are some relevant articles:
—Mark Roberti, Founder and Editor, RFID Journal
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