Michael J. Katz is founder and “chief penguin” of Blue Penguin Development, Inc., a consulting firm helping companies increase sales by showing CEOs how to market to their existing relationships, and which specializes in the development of electronic newsletters. He recently spoke with Practical Ecommerce’s Contributing Editor Mitch Bettis about the importance of communicating with customers, how to get the “genuine you” into a regular electronic newsletter and what types of content to put in these newsletters.