Mark showed up in a T shirt for this interview and no one was surprised. He is the most relaxed billionaire I have ever spent time with! Mark usually says something entirely unexpected in an interview and he is a great example of the power of authenticity. Mark is the type person who is always doing something new and newsworthy so I prepared for this interview by making sure I researched not only standard sources but also googling all the latest news about Mark because someone like him could be making news right before you sit down with him.