That’s a targeting strategy. You still pay for every click, whether they convert or not.
Not true. We only pay for conversions in a few of our GA campaigns. I don’t think this options is available to most advertisers though.
Even before online, newspaper would "distribute" their papers to hotels and college dorms to "invisible" subscribers to increase the count of their subscriptions. And let's not even get into how radio and TV viewers are counted via Nelson.
Noone, except scammy "affiliate" post view rackets.
You can set max cpa bid strategies, but that's still paying cpms.