Executive Communication Offer sizzle, steak and aspiration in corporate speechwriting Here’s why your PowerPoint slides should have no more than two bullet points apiece, accompanying an attractive graphic: 50 percent of your audience are kinesthetic learners—don’t lose them. By Laurie VincentNov. 18, 2009 SHARE To read the full story, log in. Become a Ragan Insider member to read this article and all other archived content. Sign up today Already a member? Log in here. Learn more about Ragan Insider.