In addition a ring of IR light emitting diodes (LEDs) are used to illuminate the hand and determine the position of the user's fingertips.

BBC: Digits demo screenshot

Midway through the half, Wolves substitute Nenad Milijas cut inside from right and unleashed a low left-footed shot which brushed Richard Kingson's fingertips before smashing into the upright.

BBC: Blackpool 2-1 Wolves

But it can't stop The New England Journal of Medicine from saying that, or stop Google (nasdaq: GOOG - news - people ) from putting the claim at the doctor's fingertips.

FORBES: The Thought Police