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Welcome to the enquiry from the BBC World Service with me, Tonya Beckett.
One question, four expert witnesses and an answer.
June and July see the start of two major events in the sporting calendar.
For tennis fans it's Wimbledon and for football enthusiasts the Men's World Cup.
Both sports have in recent years undergone fundamental transformations with the help of technology.
This year, the International Football Association Board, the regulatory body that shapes the laws of the game,
expanded the reach of Video Assistance Referee or VAR Technology in the World Cup.
And even the ball itself has been subject to a technological upgrade.
FIFA's new ball being used in this tournament is called the Trionda.
It has a sensor to paint a clearer picture of its trajectory.
And they've also been big technological developments in tennis.
Last year Wimbledon's Grand Slam tournament ended a 147-year tradition