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...Web publishers weren't the only ones to blame for the troubles facing Internet advertising. Glassberg also came down hard on agency media buyers, who should be taking a greater interest in figuring out how to better leverage the medium....Glassberg: Web Ad Industry is "All Messed Up" [internetnews.com]
Another problem, Glassberg said, is that the advertising creative, isn't.
Thought I doubt anyone would expose their raw logfiles, publishers should be more forthcoming about site stats.
Dayparts - first I have read about this online. Imagine on your site, ads are rotated in the morning for coffee mfgs and major newspapers, and in the evening restaurant chains and alcoholic beverages are rotated. I would love to see this type of time targetting.