1. A method comprising: receiving, at a server machine, audience data from an audience data provider, wherein the audience data includes consumer identifiers; determining session data associated with particular consumer identifiers; receiving, at the server machine, content data from a content data provider; integrating the audience data and the content data to determine audience migration information based, at least in part, on the session data, wherein the audience migration information includes: first information indicating a number of audience members who switched to a station from an initial station during an interval of time, and second information indicating a number of audience members who switched away from the station to a subsequent station during the interval of time; transmitting the audience migration data from the server machine to an end-user machine, wherein the end-user machine is configured to display a graphical representation of at least a portion of the audience migration information, by executing a program instruction in a computer system; and wherein displaying the graphical representation includes displaying a graph including both a first plot representing a relationship between the number of audience members who switched to a station during a period of time and a total number of audience members and a second plot representing a relationship between the number of audience members who switched away from the station during the period of time and the total number of audience members, by executing a program instruction in a computer system.