The Rugby World Cup ref making digital decisions

Tennis, cricket, and football are among many sports that use Hawk-Eye technology to assist match officials to make the correct decisions.

Now rugby union has teamed up with the UK digital innovators to use the system in the Rugby World Cup, being held over the next six weeks.

But how will it all work? The BBC's Chris Foxx takes a look.

Read more about the Business of Rugby here.

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