Thank you. It's a tough question. It's a question that is hard to answer in a few minutes. It's a question that hits close to many of us and what we do already, in the sense that we are faced with these ethical issues that are not easy.
I will say that in many cases I'm remarkably impressed by the ability of parents to make thoughtful decisions about their children. I think what is often assumed is that if the technology exists, families will always go in a certain direction, and that's not true. Parents very much love their children and they're—