Earlier quoted context omitted.
> Sure, you're never going to know exactly how many people you advertised to would have organically, eventually found your product and bought it. But that honestly doesn't seem that important compared to the other metrics... Wait, why wouldn't that be important? It seems like the most important question since it asks whether advertising has any significant impact at all.
I think the implication here is "that honestly doesn't seem that important" because the expectation is that the number of people who would find you anyway would be a small number compared to a well-run ad campaign, at least over timeframes startups care about. Having worked with a decent number of small teams without a lot of brand recognition, ads bring in a lot of customers: it was pretty obvious in our metrics whe…
It is without a doubt, and this is what the Freakonomics advertising episodes are mostly about.