Olympics: 'Ghost skier' leads Winter Games data revolution

Preparing for the event: European broadcaster Eurosport along with counterparts in North America and Japan are racing to get their gadgets ready and approved by the International Olympic Committee and athletes.

A ghost skier hurtling down the slope, an athlete's glucose levels flashing across the screen along with his heart rate – it is all part of an Olympic data revolution awaiting television viewers.

With the one-year countdown to the Pyeongchang Winter Games starting Thursday, European broadcaster Eurosport along with counterparts in North America and Japan are racing to get their gadgets ready and approved by the International Olympic Committee and athletes.