 I know it's a solid. I know when we tap on it, it's a solid. But don't forget, when you're looking at it scientifically, it's technically a liquid. So glass is something to just – it's going to move a little bit, and there's not much we can do to change that. All right. Cool. And just a quick question. What's your personal background in the industry? Did you work for other companies before this?