YouTube's creator marketing playbook: numbers brands should not ignore: YouTube's May 2026 Creator Marketing Playbook publishes data on long-term ROAS, audience exclusivity, and AI-powered tools for brand-creator ad campaigns. https://ppc.land/youtubes-creator-marketing-playbook-numbers-brands-should-not-ignore/ #YouTubeMarketing #CreatorEconomy #DigitalMarketing #BrandInfluencer #SocialMediaStrategy