Gesture-recognition interfaces for cell phones are closer to reality with technology from the University of Tokyo that lets you operate your phone or mobile device without laying a finger on it.
Researchers at the Ishikawa Komuro Laboratory have created a "vision-based input interface for mobile devices" through which users can type words by pointing in the air. There’s no dialing demo in the video below, though
Continue reading about Dial a phone number using in-air gestures