 If it's a broken leg, you just fix it. Diagnostics? But for very complicated diagnostics where you don't have the foggiest idea of what to do next, doctors can use it and actually come up with very, very important information about what's wrong with people. This is really remarkable. All right, let me take you in a sort of a side direction for just one more. Oh, sure. Having established what you can do scientifically, and I think you have established that, let me ask you about...