Email is, in fact, a sort of hybrid, combining aspects of print and speech.
He has written extensively about using new technologies in writing. Email is increasingly important in today's society. Your email should be clear, concise, and professional. Read the summary below of evolving conventions for email prepared by Dr. Marcus to help you develop an effective email style. If possible, use it to tell the reader what to do or at least have it accomplish something, not just be a teaser-line.