Five-year Collaboration between Clear Channel Outdoor and Kantar Sheds New Light on OOH for its Additive Nature and Proves it's a Vital Medium for Filling Gaps Other Media Channels Cannot AddressNEW YORK, July 8, 2025 /PRNewswire/ -- The results of a five-year first-of-its-kind collaboration between Clear Channel Outdoor (NYSE: CCO) and Kantar prove out of home (OOH) advertising outperforms CTV and digital channels in key metrics such as ad awareness, brand favorability, and purchase intent. As marketers fa ...