A new mobile app allows users to do what with their finger to gain access to their device?

Answer: sign their name in the air

by News Staff / November 21, 2013

The app, called AirSig Password Wallet, can recognize a signature in a fraction of a second. A research group found that the system falsely rejects valid signatures only 0.63 percent of the time. Researchers also found, however, that the system is far from infallible, as false signatures were accepted by the app almost one percent of the time. The app is, however, a big improvement over previous apps that offer the same functionality.