No, because no one who wants to keep their job would say that. But take a large advertiser like a Coca-Cola or Procter Gamble - they might run many thousands o

No, because no one who wants to keep their job would say that. But take a large advertiser like a Coca-Cola or Procter Gamble - they might run many thousands of ad campaigns a week across all sorts of venues. Their revenue is largely at retail, so there is no way to track directly from an ad campaign to a purchase. How do you prove the return on any given ad dollar? You cant.