Image caption: A Vistar Media campaign running on a Lamar Advertising Company DOOH billboard NEW YORK, April 24, 2024 (GLOBE NEWSWIRE) -- Vistar Media, the leading global provider of technology solutions for out-of-home (OOH) media, today announced that Lamar Advertising Company, one of the largest outdoor advertising companies in the world, selected Vistar's content management software (CMS), Cortex, to power its network of digital out-of-home (DOOH) billboards across the U.S. The agreement follows a part ...