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

While it's been possible for ages to record keyboard and mouse commands as macros, quality assurance teams sometimes can't have any tracking software running -- a real pain when trying to recreate a bug in an online RPG or other input-heavy apps.

ENGADGET: Insert Coin: Emukey EK1 runs mouse, keyboard macros purely from hardware (video)

While many people are agonizing over how closely kids are tracked online, tracking of the little ones in the offline world is taking a Mickey Mouse-sized leap forward.

FORBES: It's An Easily-Tracked World After All. Disney Parks Are Getting RFID-Enabled 'MagicBands.'

When we flicked the mouse on it was easy enough to spot it over Bluetooth on our regular Mac, but it only worked with tracking and single click -- none of this capacitive nonsense without a software update, naturally.

ENGADGET: New iMac and Magic Mouse unboxing and quick hands-on