Google says it is now allowing third-party advertising tags on the Google content network in North America. Previously the only way to track your impression data was to use Google's AdWords report.
The supported and certified partners include, Advertiser ad servers: DoubleClick (DFA), Mediaplex, Rich media agencies: DoubleClick Rich Media, Eyeblaster, EyeWonder, Interpolls, PointRoll, Unicast Research firms: Dynamic Logic, IAG Research, InsightExpress, Factor TG.
Google says it will be certifying more third-partner partners in the future.
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