Pay Per Action - A strange departure for Google
The reason I find this strange is that core to what Google does is to assess the quality of site's content in terms of keyword searches and positioning within the search index. Pay per click has been a revolutionary digital marketing media in terms of creating a model that enables online marketing professionals to pre-qualify prospects by search phrase and then by advert copy before any money is paid to the media owner. When Google then bought Urchin software and offered Google Analytics free of charge to Adwords customers it inevitably accelerated the growth of Pay per Click as an advertising media.
However the level of conversion that pre-qualified website traffic offers is based on a multitude of factors that Google the media owner, can not control:
-Faith in the brand
-Online customer experience - ease of navigation
-Financial value of the purchase / time cost of interaction
-Level of purchase contemplation / lifespan of the product
-Perceptions of product quality
-Perceptions of the level of transaction security
-Management of expectations of service offering / communications plan
Obviously the list above changes based on what the digital marketing aims are but I find it a little disconcerting that Google would attempt to create a technical solution that simplifies or even negates all of the human psychology that goes into online purchase decisions or sign up to an online brand engagement.
A clash of technology versus digital communications expertise perhaps?

