The technology is being rolled out with the aim of eradicating refereeing errors, but its introduction has not been without drama
Having been trialled in competitions across the planet over the past year and a bit, VAR (Video Assistant Referee) will be in operation on the biggest stage of them all this summer - the World Cup.
The technology has endured a bumpy beginning in the game though, prompting confusion and outrage to such an extent that the Premier League actually opted against bringing it in next season.
Given that it is the introduction of a new method of game regulation, occasional hiccups were expected and there have been a few.