Richard Clark teaches programming worldwide. He has taught programming for Apple Computer and General Magic, kept HP’s worldwide salesforce current, and tackled instructional challenges for Caltrans, Autodesk, Microsoft, and Salesforce.com. Richard holds a master’s degree from San Diego State University and has co-authored articles with Dr. Allison Rossett. He is passionate about helping others learn. An evangelist for powerful new technologies with a focus on their practical uses, Richard has authored commercial mobile-learning tools and blends the practical knowledge of a developer with extensive experience as an instructional designer.