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uh-oh. #endofmankind

""If you think about the unique identifier - the cookie - it's just a way to identify a browser and then have the smarts behind it to serve a particular ad. If you have Open Graph data from Facebook, you would have to work through issues with personally identifying information, but you are essentially adding some behavioral data, which is what they are doing on their own site now. I don't know how far they could extend that, but there is a big push in the industry to start to utilize more sources of data for more specific targeting.""