When running marketing or AB-tests it always pays off to keep good documentation. Document successes and fails, learnings and open questions. That way we can always look back to learn (it’s especially useful for new team members).
Good news is that in our data warehouse we can always look back and find best/worst marketing campaigns by a variety of parameters – money spent, money earned, signup rate etc.
In this exercise let’s find our biggest marketing campaign.
Type in the utm_campaign of a marketing campaign that brought the highest amount...
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