Google brings agents to YouTube shopping ads

Google is beta-testing Business Agent inside U.S. YouTube ads and says conversational product attributes appeared in 50% of relevant AI Mode recommendations during a lululemon test. In its September 16 shopping update, Google also says Merchant Center’s AI performance insights now cover five markets and its Universal Commerce Protocol integration hub supports direct checkout for hundreds of thousands of brands; those are rollout figures, not conversion proof. Retail teams should treat feed quality and agent-readable product context as new discovery inputs while keeping checkout boundaries for commerce agents outside model judgment.