Peter Walton

Greece's Kostas Katsouranis (L) receives a red card from referee Joel Aguilar of El Salvador during their 2014 World Cup soccer match against Japan, June 19, 2014.

How do 32 teams from 32 countries communicate at the World Cup?

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With so many players and referees from different parts of the globe it’s a wonder that World Cup soccer games operate as smoothly as they do. But, miscommunication has occurred on the field. In fact it was one incident during the 1966 World Cup in England that gave birth to the red card, yellow card system. With so many players and referees from different parts of the globe it’s a wonder that World Cup soccer games operate as smoothly as they do. But, miscommunication has occurred on the field. In fact it was one incident during the 1966 World Cup in England that gave birth to the red card, yellow card system.

A GoalControl watch reads "goal" as a football rolls fully behind the goal line during a demonstration in the western German city of Aachen May 28, 2014. German firm GoalControl has been appointed by FIFA as the official provider for the goal-line technol

France and Honduras put the World Cup’s new goal technology to the test

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