Patent ID: 7805332

Claim:
A method of delivering content in an HTTP client-server computer system, comprising the steps of: receiving an image request from a client computer in response to transmission of a website page to the client computer, wherein said client computer includes a browser; assigning a domain cookie containing a unique identifier for the browser of the client computer in response to receiving the image request; storing profile data for the client in a database; identifying the unique identifier for the client computer browser in the domain cookie; accessing the profile data for the client from the database in response to identification of the unique identifier for the client computer browser; associating the client computer with a segment of client computers based on the profile data; transmitting a segment-targeting cookie, which includes a segment identifier for the segment of client computers, to the client computer, wherein said segment identifier is separate from said unique identifier; receiving a request for a website page from the client computer; and delivering content to the client computer audience member based on the segment identifier in response to receiving the request for the website page.