Where Does Google Ad Planner Get It’s Data?

It turns out that the Google Trends for websites launch was just a precursor to a much bigger event - the launch of Ad Planner. With this tool, advertisers can find sites to place media buys based on various demographics and statistics. But where is Google getting the site data?

One possible way is via the Google Toolbar. Let’s face it. Google isn’t providing this toolbar to help us do anything but gain valuable traffic data (in aggregate). Maybe this valuable data is being reported back to the Ad Planner tool? Google can’t rely on Google Analytics because many sites haven’t installed it. The vagueness of Google’s data collection explanation leaves this question wide open for the time being. Your thoughts?

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