Mark Schaefer and Keith Jennings dive into one of the most complicated questions in the business world ... What business are you in? Deceptively simple, Devilishly complicated, this question has been an obsession for the greatest minds in marketing for decades. And this is a question that is more relevant than ever.    Mark Schaefer is a strategy consultant, college educator, keynote speaker, and the author of 10 books including "KNOWN," “Belonging to the Brand,” and "Marketing Rebellion." His annual marketing retreat is The Uprising.   For more of Mark’s insights every week, subcribe to his award-winning blog. Mark also offers classes in personal branding and professional speaking.   Keith Jennings is an executive and writer who equips professionals to serve with values, generosity, and social impact.He serves as vice president of community impact with Jackson Healthcare. Connect with him at https://www.linkedin.com/in/keithjennings/.