First-to-market solution establishes a standardized workflow for scalable live event monetization; Roku among first to utilize Live SchedulerNEW YORK, Nov. 18, 2025 (GLOBE NEWSWIRE) -- Magnite (NASDAQ:MGNI), the largest independent sell-side advertising company, today introduced Live Scheduler, an industry-first offering. Live Scheduler helps media owners easily plan, activate, and measure ads around live events, from major sports matches to political debates, through a standardized framework that turns rea ...