Deadline reports: “Xandr, AT&T’s advertising technology unit, has added A+E Networks, AMC Networks and Cheddar as partners in Community, its marketplace for publishers. The new companies join WarnerMedia’s CNN, TNT, TBS, truTV, B/R Live, Otter Media, and Warner Bros., as well as VICE, Hearst Magazines, Newsy, Philo, Tubi, and Xumo as participants in Community.”

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