Microsoft adCenter Labs has released a proof of concept demographics prediction tool that allows you to get demographic data for a given search phrase or URL. From the site:
You can use adCenter technology to predict a customer’s age, gender, and other demographic information according to his or her online behavior—that is, from search queries and webpage views.
Every search I tried only returned gender and age statistics. Though the site is silent on the subject, I assume the demographic data is culled from MSN and Microsoft‘s registered users. Right now, it’s a more interesting than useful tool but I could see it becoming a very valuable tool if they add different types of demographic data and couple that with search behavior profiles for those demographic groups.
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