While authors, speakers and thought leaders tend to be more different then alike in many ways, from a revenue generation perspective things are not that complicated. You can have wide ranges of speaking styles from motivational to improvisational, comedic, Socratic and so on. Writing styles can vary as well. Dry and academic, anecdotal, autobiographical to analytical. But when it comes to generating revenue there are only 3 things that all authors, speakers and thought leaders can do.