This document summarizes the findings of a study on digital advertising campaign delivery and optimization. Some key points:
- A 2007 study of 8 digital campaigns in the US found that only 19% of ad impressions actually reached the target audience, while 61% were shown to people in the US but outside the target.
- Cookie-based targeting is problematic due to high cookie deletion rates and proliferation of cookies across devices. Targeting accuracy declines significantly as more targeting criteria are added.
- A new initiative called 3MS aims to improve measurement, reduce complexity, and bolster confidence in digital ads.
- A charter study analyzed over 2 billion impressions across 18 campaigns and found on average only 69% of ads were