It has been a major talking point in football for many years and now it seems that the argument for goal-line technology has finally had the last word. Fifa have stated that goal line technology will be used in the 2014 World Cup in Brazil. 

In recent years in the Uefa Champions League and Europa League extra officials have been placed along side the goal line in an attempt to rectify some key mistakes. However, these officials have come in for a lot of criticism as they rarely contribute to the game. 

One of the more controversial goal line decisions of late came at the World Cup in 2010. While 2-1 down to Germany, a Frank Lampard shot cannoned off the underside of the bar and clearly bounced over the line. The goal never stood and England went on to lose the game by four goals to one. The goal may have changed game for England, but instead the decision disheartened the players and they ended up losing comfortably to the German's. 

Having made an apology to the FA following the game, it was this incident that prompted Sepp Blatter to ensure goal line technology was needed for the future of football. Having tried and tested "accurate" systems in the recent FIFA Club World Cup, Blatter claims now to have systems that will ensure such incidents are not left to the decision of the officials.

The 'Hawk-Eye' and 'Goalref' systems have both been used in the recent trials, and with the Hawk Eye system already functional in tennis and cricket. Hawk Eye combines seven cameras focused on each goal to give a precise location on the ball. Before its recent trial in football, Hawk-Eye has already proved quick and efficient in the other sports.

Goalref takes a different approach, using electromagnetic induction and electromagnetic sensors in the posts and the ball. This technology can give the officials a decision in under a second via a wristband.

With two seemingly accurate systems available, it now remains to be seen how they preform in the 2014 World Cup, and if we shall see them in the Champions League and Premier League in the future.

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