Historically this is a very significant development. We've had some very high-profile matches where momentum has turned based on calls. Now the players know the calls will be right.
There have been quite a few notable matches over the past couple of years where the line calls were questionable and in fact proved to be wrong. So much is on the line. The opportunity to know the right call is impossible to resist.
We all have seen matches turn on questionable calls. With all that's on the line in tennis these days, we felt we had to pursue every means possible to utilize technology to make sure that calls were accurate.
We felt that we had to pursue every means possible to utilize technology to make sure that calls were accurate without losing the human element of officials on court.