Customer relationship management deals with all types of interaction between a company and a customer, whether it is sales or service-related. Customer relationship management is generally used to explain the relationship between business houses and customers. CRM systems are also used to manage business contacts, clients, contract wins and sales leads. Technology Advancement have changed consumer buying behavior, and today there are many alternatives in which a company can get in touch with its customers and collect data about them. Technology and the Internet have changed the way companies approach customer relationship strategies. There are various benefits of CRM strategy like it helps  understanding the customer, retaining customers through delivery of better customer experience, attracting new customers, win new clients and contracts, increased profitability, decrease customer management and helps the companies to know what the customers and the general market want. To know more about CRM go to:http://www.webopedia.com/TERM/C/CRM.html