Digital Marketing — Hard What is the concept of media mix optimization and how do diminishing returns affect budget allocation? A A content strategy for mixing different content formats (video, blog, podcast) within a single channel B The process of distributing budget across marketing channels to maximize total ROI — diminishing returns mean each additional dollar invested in a single channel yields progressively less return as the most responsive audience is saturated; optimal allocation typically requires spreading budget across channels where marginal returns are equalized, often identified through MMM or attribution modeling C A graphic design principle for optimizing the mix of visual media types in ad creative D Optimizing the technical file formats and compression settings for different advertising media types Show explanation