Google is adding another way of generating revenue — in the works is a new advertising network that will complement its current fraud-prone AdSense network.
The new cost-per-action, or CPA, network will pay only if net users perform a specific action such as making a purchase or generating a sales lead; in contrast, the AdSense model pays based on the amount of clicks a page receives and is particularly susceptible to “click fraud,” the act of clicking on an ad multiple times to generate revenue.