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Seems they are offering email marketing [maxonline.com], search results marketing (on AJ and the various properties they own) and what appears to be a "higher level" contextual advertising program [maxonline.com]. I say higher level based on the "traffic options" listed on the publisher application [maxonline.com].
Most of the information on the AJInteractive site is via pdf and a bit cloudy as of yet, IMHO. The MaxOnline site [maxonline.com] is also very short on information as well.