As majority of consumers see AI overviews as a single source of truth, Generative Engine Optimization (GEO) is becoming the new baseline for discoverability NEW YORK , Oct. 7, 2025 /PRNewswire/ -- A new report from Omnicom Media Group (OMG), the media services division of Omnicom (NYSE: OMC), reveals the changing consumer behaviors and attitudes around GenAI that are transforming Search marketing, and what steps brands must take to ensure discoverability in a marketing world where embracing Generative Engi ...