I never suspected that we or any one person or program can create Serena Williams or John McEnroe or Pete Sampras.
I think I have a newfound respect for what my parents did, to create two players - one who was really good and another who was pretty good.
Instant replay is going to be awesome. For too long, tennis has been stuck in its traditions, which is part of its strength as a game. But you have to be able to change some things and get fans interested.