But what exactly is this?
With this new change, participating ad networks can also bid in our auction to appear on AdSense sites. This new capability will help you generate the most profit for every ad that appears on your site, whether the ads come from AdWords advertisers or Google-certified ad networks.
Google certified ad networks in AdSense
This AdSense feature will initially be available to publishers in North America and Europe, but they said they will make it available for all publishers in the future. So I guess I’ll just wait for it to roll out here in the Philippines.