Ad giant Omnicom takes aim at Big Tech, AI era with $13 billion Interpublic deal

Omnicom Group and Interpublic Group, the world's third and fourth-largest ad buyers, are merging in a $13.25 billion all-stock deal. The combined company aims to compete with tech giants like Google and Meta for advertising dollars, leveraging AI and offering broader services to clients. The deal, expected to close in late 2025, anticipates $750 million in annual cost savings.