What's Your Secret to Launching a Master Class?

Ray Kurzweil: "I loved to learn, and i didn't like taking classsa, mok, why? Ray h" He says it took the user interviews, tests to be like a light like that enough to understand why. After you had that discovery of the how, did you know that master class was going to be a success at that moment? And if not, when was the moment that you knew that masterclass was going to succeed? How long did it take to get there? Kirshenbaum: "This is like being my work now for probably two or three years."