Bruce Chernof, a physician who is president and CEO of the California-based SCAN Foundation, which focuses on senior issues.

FORBES: What Ever Happened to the Long-Term Care Commission?

The interface is entirely text and music-based -- musicians, if you can call them that, scan an instrument name on the page before sliding over to the notes, which can be played back at different pitches by moving the reader vertically along the line.

ENGADGET: Gocen optical music recognition can read a printed score, play notes in real-time (hands-on video)

While the San Diego-based money manager initially liked what he saw after his first scan of the company's financial statements, he became leery after some further digging.

FORBES: Magazine Article

Anyone who's hopped on a flight at a major airport, or even some land-based transit, knows the agonizing wait that certain agencies demand while they scan for explosives and check boarding passes.

ENGADGET: Hitachi boarding gate can sniff explosives on passes, keep the transport queues flowing (video)

The San Francisco-based business offered its service to consumers for 15 cents (10p) a scan, and charged other companies a fee to integrate the function into their apps.

BBC: Paypal buys the Cardio credit card scanning service