Omnicom has unveiled a $30 billion acquisition of Interpublic Group, intending to establish the world's largest advertising agency, generating nearly $26 billion in revenue. The merger will result in Omnicom shareholders owning 60.6% of the new entity, while Interpublic shareholders hold 39.4%. The strategic merger, targeting increased efficiency with estimated savings of $750 million annually, comes amid challenges in the industry due to advancements in AI and technology. Regulatory approvals are pending, with the deal expected to close in late 2025.