“Unstoppablebook.com - There's a signup there for mailing list, for early access to the books, and discounts, and some exclusive content that's not available in the print version for September. Or davidhauser.com - I have a weekly email that goes out. Some quick bullet points about the things I'm thinking about, reading, or using. People always ask me, "What are the cool products?" I try to keep them relatively inexpensive. I've tested all sorts of things, but some of the most impactful things like the squatty potty in my bathroom is like 0. So, I try to share some of those things on a weekly basis.”