Customer relationship management［CRM］software must obtain data from operations software that conducts activities such as sales automation , customer service center operations ,and marketing campaigns。The software must also gather data abot customer activities on the company`s Web site and any other points of contact the company has with its existing and potential customers。CRM software uses this data to help managers conduct analytical activities, such as gathering business intelligence, planning marketing strategies, customer behavior modeling, and customizing the products and services to meet the needs of specific customers or categories of customers。In its most basic form, CRM uses information about customers to sell them more （or more profitable ）goods or services。