Selected members have begun to receive an email from Google about the new third party tracking AdSense beta they will begin testing. This is a true beta (there were some publishers questioning if it really was from the AdSense team. For those of you not contacted about it, here is the initial contact email.
As part of our efforts to continually improve the advertising experience for our users, advertisers, and publishers, we wanted to inform you that over the next few months we will be testing new ways to serve ads to your site. Specifically, we will be running a limited number of site-targeted campaigns that will leverage 3rd party ad-serving/tracking technology.
As part of the test, you may see an increase in revenue as a result of advertisers selecting your site for site-targeted campaigns.
To track the performance of a campaign, 3rd parties ad-servers may place a cookie on users