 Because we never know when those tragedies are going to strike and we need those units on the shelf right away to quickly transfuse and help save lives. All right. So let's help classify some things here. Who is able to donate? This is populations, people who maybe have some question marks and they think, can I actually donate? If I have a tattoo, am I able to donate? If I do certain kinds of medications, am I able to donate? Let's answer some of those questions right now if we can.