And I'll talk more about that later. But that's why it's such a good distribution to kind of assume for a lot of underlying phenomenon if you're kind of modeling weather patterns or drug interactions. And we'll talk about where it might work well and where it might not work so well. Like sometimes people might assume things like a normal distribution in finance and we see in the financial crisis that's led to a lot of things blowing up. But anyway, let's get back to this. And this is a spreadsheet right here. I just made a black background.