
FreeWheel, Magnite and Xandr enable buyers — starting with GroupM — to transact on linear, digital inventory.

National U.S. TV publishers adopt OpenID, laying the foundation for new cross-platform measurement capabilities set to launch in broadcast year 2022. Dentsu Media, GroupM, Haworth Marketing + Media, Horizon Media and Omnicom Media Group will integrate with and activate all advanced TV campaigns as OpenID audiences, offering brands cross-screen and person-level insights across TV advertising.