WarnerMedia has enlisted ad buying giant IPG Mediabrands’ Magna unit to help it test alternative measurement data from Comscore, iSpot.TV and VideoAmp during the second quarter ahead of the upfront.
WarnerMedia has enlisted ad buying giant IPG Mediabrands’ Magna unit to help it test alternative measurement data from Comscore, iSpot.TV and VideoAmp during the second quarter ahead of the upfront.