‘Marketing Platform’ and ‘Cross-Channel Evaluation’ With the growth of social media, the balance between defense and offense in corporate communication is changing. Departing from traditional marketing, what is needed at present is the establishment of a consistent ‘Cross-Channel Evaluation’ and a ‘Marketing Platform’. It is not necessary to consider the distinction between mass media and digital media in the conversation with customers, ROI, and the process of designing new marketing communication. As for the DSP/RTB and Audience Targeting usage, we should understand it as User ID-based CRM & Advertisement Delivery Optimization for linking of push & pull points. We talk about strategy, organization, and DI. Conceptual Ability.