The document provides a literature review on Customer Relationship Management (CRM). It begins with an executive summary that outlines the topics to be discussed, including background information on CRM, dominant CRM vendors, challenges of implementing CRM systems, a case study of a successful Microsoft Dynamics CRM implementation, and security considerations for CRM systems. It then discusses how CRM systems can add value to businesses through benefits like centralized customer data, automated processes, and improved decision making. Popular CRM vendors and the types of solutions they offer are also reviewed.