Tom Bunzelis a technology coach, giving one-on-one instruction in PowerPoint and presentation skills. He works with well-known speakers and educators on their presentations, and specializes in multimedia and rich media production. He has appeared on Tech TV as "Professor PowerPoint", and writes a weekly column for InformIT. He is the author of SAMS Teach Yourself PowerPoint 2003 in 24 Hrs and Easy Digital Music. He can be found at his website, www.professorpowerpoint.com.