Snickometer

In 2000, This system is simpler than it might seem, relying on a man with a cold-war type of radio antennae pointing at the batsman. Not instantaneous, which is a drawback, it is mainly used to detect thin edges and relies on coordinating an oscillation chart with slow-motion replays. There have been teething problems. In its first year of use there were some major glitches in a domestic semi-final at Old Trafford. Simon Hughes explained that it was "because the operator, who invented it, doesn't actually understand much about cricket".