The way I've seen it implemented is as "Video Assisted Referee" and it's just a bunch of people outside the field looking at different screens and determining w

The way I've seen it implemented is as "Video Assisted Referee" and it's just a bunch of people outside the field looking at different screens and determining whether someone was offside or not. It's just some extra eyes in addition to the people in the field. I haven't seen the other definition (the automated one).