> What I find odd is that digital ads gives you much more clarity of impact than tv/radio/print ads.
That really depends on what you are trying to sell. A SaaS? Sure. But when your job is influencing which candy bar people select in the supermarket, you stare into exactly the same informational void, until you apply the crude but tried toolkit of ad effectiveness measurements that has been developed for broadcast. The traditional answer to that kind of advertisement task has been to just use blanket media if you don't need much targeting or direct affordability. But when a sizable part of the market just does not expose themselves to broadcast anymore, that might be insufficient, no matter how much money you throw that way.
> But when your job is influencing which candy bar people select in the supermarket, you stare into exactly the same informational void
Is that necessarily true? Most supermarkets have a 'loyalty card' program which requires the shopper to provide her name, address and date of birth. The supermarket could sell all their data to Facebook, which would then have the fine-grained information needed to allow the candy-bar company to very effectively target their ads.
It might not even require a loyalty card - the shopper's credit card info or security camera picture might be enough to accurately link her to her Facebook account.
That really depends on what you are trying to sell. A SaaS? Sure. But when your job is influencing which candy bar people select in the supermarket, you stare into exactly the same informational void, until you apply the crude but tried toolkit of ad effectiveness measurements that has been developed for broadcast. The traditional answer to that kind of advertisement task has been to just use blanket media if you don't need much targeting or direct affordability. But when a sizable part of the market just does not expose themselves to broadcast anymore, that might be insufficient, no matter how much money you throw that way.