For most search and display advertisers, reaching a low CPA (Cost Per Acquisition) goal is the holy grail of a successfull online campaign effort. But as most advertisers know from experience, it's easier said then done. Getting more visitors to convert for less money is not an easy task by any means. There are a lot of factors that have to take place in order for CPA to drop. For example, search and display ads can't be too expensive, the ads need to drive quality traffic and be relevant, the landing pages have to be relevant, there can't be any roadblocks on the site's path to conversion, visitors must be engaged with your product, sign up forms need to be easy to navigate, shopping carts need to flow, etc., etc., etc. As you can see, driving a lower CPA takes some effort. Too bad there isn't an easier way to lower that CPA dollar figure. Ahhhhh.....but wait. There actually is a way and it all boils down to how advertisers measure a conversion. If we take a step b...