I don't know that there are impediments, but certainly there seems to be almost this idea that we want innovation as long as it's been tried before and we can be sure that it works. You're dealing with this kind of schizophrenia of “yes, we want you to innovate, but don't be too innovative because that's a bit scary.” When you're talking about government procurement, in that aspect, you can't be too innovative or it can't invest in those kinds of things.
I don't know what you do about that, to be really honest. I don't know what you do about that, but industry's pretty good at figuring out ways to move forward and to move around blockages and so on. If it's a great idea and it's going to bear fruit, they'll usually find a way to get there, but....