 I think it's a combination. And so I think the surgeons are definitely in tune. They're not just good at what they do. They're good at researching best practice and what's out there. So when it comes down to looking at that technology and reviewing it, really it's the outcomes. Are those outcomes at the highest quality level that we need to do? And if we find out that that technology improves those outcomes, that's really when we start looking at that to try to bring it into us. Because ultimately it's...