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 merger aims to create the world's largest advertising agency, better positioning them against Big Tech competition and the rise of AI. The combined company, led by Omnicom CEO John Wren, anticipates $750 million in annual cost savings.