Back when 90% of ad spending was wasted, they still made money from the 10% that resulted in sales. That expectation was built into the CPM/CPC, and hence the a

Back when 90% of ad spending was wasted, they still made money from the 10% that resulted in sales. That expectation was built into the CPM/CPC, and hence the ad budget. With the amount of bot traffic I'm seeing these days, I would guess that the waste ratio is more like 99% now. That means a 90% reduction in conversions for the same ad budget. Surely someone is feeling the difference.