I’m wondering, as you talk about so many of these different business concepts, market risks, disruption, and S curves of growth, what’s the benefit of using these sort of business terms to talk about these sort of personal decisions? WHITNEY JOHNSON: One of the things I like of so much about the framers of disruption, and then also understanding the S curve and how it helps us understand the psychology of disruption, and then these variables that help us understand marketing competitive risk, is that it allows us to really solidify in our brain from very intellectual, logical way to understand these ideas.