1. A method comprising: establishing a connection between a computing device and a network, the computing device having an address on the network; receiving data sets sent from the computing device, the data sets being sent during an online session of a user of the computing device; matching the online session of the user to a specific demographic classification by: identifying demographic characteristics of the user of the computing device, wherein identifying demographic characteristics of the user includes: utilizing a plurality of data sources of data that include several user demographic indicators; processing data from the plurality of data sources using logic that matches user demographic indicators to a specific user within a predefined group of users; and identifying the user among other users in a predefined group of users; and maintaining demographic information about the identified user related to data on network activity behavior of the identified user; readdressing the received data sets with an address associated with a particular domain; storing an association between at least part of the received data sets and the specific demographic classification; and sending the readdressed data onto the network.