It features a simple touchscreen (" Call: Mom, "for example), a camera for video chat, a fingerprint reader and a heart monitor that sends readings to the parents by E-mail.

"Essentially, if you pointed the camera directly at the metal keypad, it would show you the thermal fingerprint of you, the camera operator, rather than of the keypad itself," Meiklejohn says.

Much of the speculation there has centered on the usual kinds of camera and processor enhancements, as well as the likelihood of a fingerprint sensor.