This book explored the concepts of electronic marketing (e-marketing), electronic customer relationship management (e-CRM) and Information and Communication Technologies (ICT) convergence to focus more on two case studies of two of the major market players in the mobile communication arena in Jordan; Orange Jordan and Zain Company. We have found that real-world case studies are effective teaching tools and very helpful to students in relating to this material. Therefore, we have included to original case studies at two chapters of this book. Although they are all faithful depictions actual situations in specific organizations, and they have been carefully selected to illustrate major concepts in this book.