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That will mark the first time the planet's biggest single-sport event uses the high-tech method of determining whether or not the ball crosses the plane of the goal.
Goal-line technology was used at the Club World Cup in December and will be used again at this summer's Confederations Cup — a World Cup preview of sorts held in the big event's host nation one year before the World Cup.
High profile football matches have been beset by a number of did-he-or-didn't-he scoring controversies over the years. Judging controversial goals in football is especially difficult, because scoring requires the entire ball to completely cross the goal line. That can make it quite tough for referees to judge an iffy shot unless they have an optimal angle and line of sight.
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