Omnicom Picked the One Programmatic Protocol The Big Three DSPs Aren't In
Omnicom announced on its April 28, 2026 Q1 earnings call that it is wiring Acxiom data into its Omni operating platform and routing AI media-buying agents through the Ad Context Protocol, the new agentic-buying standard, in a bid to recover the 64% of programmatic spend the ANA found never reaches