the biggest improvement though is to use it less (or not at all).
it should ONLY be used for decisions that are 'absolute', not ones that are 'open to interpretation'.
offsides, goal line. they are either in or out.
elbows, tackles, etc are discretionary. therefore should be at the refs discretion and interpretation. if he gets it right, cool. if he gets it wrong, ok. shit happens.
but assuming the bloke in the TV box will 'interpret' it any more correctly or incorrectly than the ref in the middle is crap, and continually proven to be no better a system.
bin it.