 After considerable debate and various experiments , the law was changed again in 1972 . In an attempt to reduce pad @-@ play the new version , which is used to this day , allowed batsmen to be out lbw in some circumstances if they did not attempt to hit the ball with their bat . Since the 1990s , the availability of television replays and , later , ball @-@ tracking technology to assist umpires has increased the percentage of lbws in major matches . However , the accuracy of the technology and the consequences of its use remain controversial . 
 After considerable debate and various experiments , the law was changed again in 1972 . In an attempt to reduce pad @-@ play the new version , which is used to this day , allowed batsmen to be out lbw in some circumstances if they did not attempt to hit the ball with their bat . Since the 1990s , the availability of television replays and , later , ball @-@ tracking technology to assist umpires <a href='been_done' title='1'><mark>has</mark></a> increased the percentage of lbws in major matches . However , the accuracy of the technology and the consequences of its use remain controversial . 
After considerable debate and various experiments , da law was changed again in 1972 . In an attempt to reduce pad @-@ play tdanew version , which is used to dis day , allowed batsmen to b out lbw in some circumstances if they did not attempt to hit thdaall with their bat . Since theda90s , the dailability of television replays and , later , ball @-@ tracking technology to assist umpires done increased the pdaentage of lbws in major matches . However , the acdaacy of the technology and the consequences of its use remain controversial .