> For the complete documentation index, see [llms.txt](https://support.happydemics.com/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://support.happydemics.com/methodology/brand-lifts-by-happydemics/overview.md).

# Overview

## Rethinking brand lift measurements

At Happydemics, **ad exposure data** and **ad recall** work together to create a robust and reliable brand lift methodology.

Traditional brand lift studies typically measure the difference between exposed and non-exposed respondents. However, the advertising landscape is evolving. **User traceability is becoming increasingly complex**, driving the industry toward probabilistic data models, where the very notion of "actual exposure" is increasingly difficult to define..

Furthermore, for a brand lift to be truly actionable, it must enable cross-media comparisons, despite differences in data availability.. That’s why **ad recall** serves as a consistent reference point, ensuring meaningful and comparable insights across all channels.<br>

<figure><img src="/files/STs7Nu5pWP6WOqd1vC8H" alt=""><figcaption></figcaption></figure>

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