GroupM’s Gotlieb: Census-Level Data Needed To ‘Join The Dots’ Between TV, Digital

LONDON – Legacy media needs to join digital in using census-level data for audience targeting and attribution, according to Irwin Gotlieb, Chairman of WPP’s GroupM. “If we look at the effect of our media campaigns and try to do proper attribution on them, we have to do it, we have to get legacy media on […]