NEW YORK--(BUSINESS WIRE)--Today, the Media Rating Council (MRC) announced interim guidance for Mobile Viewable Impression measurement. This initiative provides the digital marketing industry with direction as the MRC and Making Measurement Make Sense (3MS) – a collaborative effort between the ANA, IAB and 4As – facilitate industry discussion and conduct additional, necessary research to create permanent guidelines that account for the specific nuances of mobile web environments. No organizatio