I remember reading this article back in 2019 when it was originally written. Unclear why it is being dusted off now when it is still just as wrong as it was then. Yes, it is probably hard for a large, well-known brand like eBay or Procter & Gamble or Coca-Cola to measure their return from online advertising. If Coca-Cola stopped all advertising for 1 week, would anything really change? Probably not. And it’s not as i…
To be fair, the point of the article is that ROAS is not a very good metric, and while most of the article is wrong in that it effectively calls all advertising worthless as a result, it's not wrong about that one methodological point. What matters is incremental ROAS - not the conversions following exposure, but rather the conversions that would not have happened but for the exposure. For small companies that have n…
The benefits of brainwashing can pay dividend over a lifetime.