David Dagon, a professor of cybersecurity at Georgia Tech who's familiar with Pramana, hints that the technology may involve tracking mouse movements for signs of human timing.

FORBES: Magazine Article

Another alternative to the mouse as a pointing device is to use a gaze-tracking camera, which works out where you are looking and moves an on-screen pointer accordingly.

ECONOMIST: Computer interfaces

However, while he can see its popularity for disabled or elderly people, Faisal remains uncertain about whether cheap eye-tracking devices are ready to take over from the mouse and touch-screen computers.

CNN: $30 gadget lets you control computer with your eyes