Yup, pretty much. Probably 99% is closer to the truth. If you want to not give your ad budget to crooks you need to buy 100% cost-per-action where you only pay if the click converts. The other end of that spectrum, impressions, is really like throwing bills out your 10th story window into the crowds below.
"Click fraud" is rampant and Yuuuuge. Because it is both easy and it doesn't get the international police on your back like stealing CC's or user accounts do. So it is a fun game for smart people who make anywhere from a few dollars to a few thousand dollars a day just for writing clever code.
"Click fraud" is rampant and Yuuuuge. Because it is both easy and it doesn't get the international police on your back like stealing CC's or user accounts do. So it is a fun game for smart people who make anywhere from a few dollars to a few thousand dollars a day just for writing clever code.