1. A system comprising: a publisher subsystem configured to communicate with an access device and an advertiser device over a data communication network, said publisher subsystem including: a publish module configured to publish content for access over the data communication network, the content including an advertisement; a session module configured to detect a selection of the advertisement, initiate a session between the access device and the advertiser device in response to the selection, the advertiser device being associated with the advertisement, and receive feedback from the advertiser device; and an allocation module configured to allocate revenue based on said feedback; wherein said session module is configured to initiate a test session with the advertiser device; and wherein said publisher subsystem is configured to compare said feedback received from the advertiser device with other feedback received from one or more other advertiser devices.