 So help me understand, when you speak about sustainability, give me a little more context about how you're thinking about it in the context of an accelerator or a service program where you're helping entrepreneurs execute on business models. There are quite a few different definitions of what is sustainability, and I'm not even sure everybody would agree to those terms. Well, you and I can agree, and that'll be the beginning. I think if we can start, that's the beginning. Let's start there.