GroupM Files Complaint Against Ebiquity As Second ANA Report Looms
The fallout from the Association of National Advertisers’ report on media agency transparency has taken an unexpected twist. WPP’s media buying unit, GroupM, is suing Ebiquity’s media auditing arm, FirmDecisions, claiming it violated an NDA and misused classified information that GroupM accidentally sent to FirmDecisions. Campaign first reported the story. According to the complaint, GroupM […]