The combination of the finger-scan and the search code are then looked up in a central database, to ensure that they tally, before the transaction is approved.

ECONOMIST: Security

Carrie studies the musicians' finger movements on their instruments and concludes that Brody is tapping his fingers in some kind of code.

CNN: STORY HIGHLIGHTS

Master Lock sells a garage-door opener with a built-in fingerprint scanner, the Kwikset SmartScan Deadbolt will open up your front door with another finger swipe and Schlage's LiNK door locks allow owners to give anyone access to their home by punching a code into a computer keyboard or mobile phone's keypad.

FORBES: Magazine Article