The New York Times has made headlines in the past few years due to the unprecedented success of their subscription proposition, however ad revenue is still an important part of their revenue base. In this session from the Digiday Publishing Summit, Jean-Christophe Demarta shares how the Times is experimenting with new measurement techniques to calculate ROI on ad spend and to use this as a starting point for not only optimising their display offering, but also figuring out where they can diversify.