I'm a bit shocked about the state of advertising. When I was making websites (~early 2000s), there were a lot more options to choose from, it seems. Now you basically just have Google and this opaque network of algorithmic auctions. Back then, you had a bunch of small business ad networks that you could choose from. I found you could also choose more different formats. OK, there was no video (thank God), but you coul…
There's no way to prove that you've served a particular number of ads to real humans. That's why all these ridiculous brokers and third-party fragments of javascript exist: it would otherwise be trivial for the publisher to defraud the advertiser.