Customer relationship management is concerned with managing a firm's association with current and prospective consumers. It seeks to improve business relationships with customers by using data analysis of customers' history with a company. It particularly focuses on customer retention in order to boost sales. The systems which compile data from varied communications channels form an integral part of customer relationship management. A few of these communication channels are telephone, email, marketing materials, live chat and social media. The main function of customer relationship management is to help companies understand their target audiences so that they can cater to their needs more efficiently. This textbook aims to shed light on some of the unexplored aspects of customer relationship management. While understanding the long-term perspectives of the topics, it makes an effort in highlighting their impact as a modern tool for the growth of the discipline. This book will provide comprehensive knowledge to the readers.