Soccer officials already rely on cameras to see who’s offside and who sent the ball out of bounds. But during this World Cup, refs will use digital twins of each player to view plays from every angle.

According to new research, Trionda would show less unpredictable movements in actions such as corner kicks or free kicks. However, in powerful and long-distance clearances it would lose range.

From battery life to privacy, there are many hurdles to the idea taking off.