Those are all distinctly different and independent things, things that cannot be conflated into a single meaning metric.
Originally Posted by rainman
And, none of them stand as a suitable proxy for cost-per-conversion, revenue-per-conversion, ROI, or any other metric related to the important matter of cost vs. benefit.
And, auto-bid is not capable of using those latter and more important metrics for making bid related decisions.
The major PPC ad syndicators, Google included, are rather good at detecting ongoing click fraud, and remove such clicks from your statistical and billing data. They are, of course, not omnipotent, so that low grade infrequent fraud may go undetected.
Originally Posted by acostamanuel
Thank you for clearing that up deepsand. A lot to take in when starting adwords for the first time for a 'newbie' to adwords such as myself.