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Tech sector bets on eyes as virtual-reality interface

US startup Eyefluence's technology can turn the human eye into a computer mouse

Mr Marggraff who invented the LeapPad tablet for children is betting the killer app is right in front of your face: the eyes.

San Francisco

FIRST came the computer mouse. Then the touchscreen. Now the tech industry is looking for a new human-machine interface - one that will make virtual-reality (VR) headsets as mainstream as personal computers and smartphones.

The man who invented the LeapPad tablet for