Is it a Washington or a Benjamin? Now the blind and visually impaired can determine the denomination of paper money by simply holding it up to a smartphone camera. Just point the lens at the bill and the app analyzes it and announces its findings in moments.
WIRED Identifies even a corner of a greenback sticking out of a wallet. Repeats denomination continuously while trained on the bill.
TIRED Jetsetters beware: The app doesn't recognize lesser known foreign currencies.