coondoggie writes "If smartwatches and other ultra-small devices are to become the text generators of the future, their diminutive keyboards are going to have to be way more useful for, um, big fingered typists. Carnegie Mellon researchers may have the answer to that problem. Called ZoomBoard, the text entry technique is based on the iconic QWERTY keyboard layout."
The zoom board paper
(PDF) has details. Entering a letter becomes a multi-step process; first you mash the general area of the keyboard containing the letter you want, and eventually it becomes large enough to hit. Test subjects managed to hit 9.3wpm after practice, versus 4.5 wpm for people trying to peck on a teeny-tiny virtual keyboard. They were inspired at least in part by the venerable Dasher