Multiply raises $9.5M to build AI agents that keep B2B ad campaigns from going stale

The San Francisco startup emerges from stealth with Mayfield backing and a pitch that treats ad creative as a continuous learning loop, not a quarterly deliverable. Every B2B marketing team knows the problem. A campaign launches, the creative is fresh, the targeting feels right, and then, slowly, it starts dying. Audiences tune out. Click rates […]