Patent ID: 8326688

Claim:
A system comprising: one or more data repositories configured to store data comprising information classifying each of a plurality of pages viewed by a communications network user device as pertaining to one of a plurality of topics, wherein the one or more data repositories are remote from the user device; one or more processors configured to receive information from the user device that enables the one or more processors to track a count of each of the pages viewed by the user device for each of the topics; to track a recency with which each of the pages viewed by the user device was viewed for each of the topics; and to characterize the user device as belonging to one or more behavioral segments based on the count and the recency; wherein one or more advertising servers, in communication with the one or more processors over the communications network, are configured to serve one or more advertisements to the user device based on at least advertising targeting parameters and the characterization; and wherein the one or more processors and the one or more data repositories are remote from the user device.