1. A graphical user interface for using a computer to manage customer loss, the interface comprising: an overview display for customer churn information associated with a period of time, the customer churn information including an attribute and multiple values for the attribute, each value being associated with a particular point within the period of time for which the customer churn information is being displayed; and a customer profile display for customer information associated with each of several groups of customers for which customer churn information is displayed in the overview display.