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…
I don't want to be offending but this is honestly a very basic point, of course one would only measure the Return On Ad Spend from the user's acquired by said ad and not any others... Advertisers are familiar with all such basic statistics and Google/FB ads give you very easy tools to track any person who clicks on an ad throughout their entire journey.
Edit: I was mistaken as described in the comments below