AI advertising is creating a new competitive intelligence gap: while marketers can easily monitor ads across traditional platforms, ChatGPT ads and AI-served Google placements are far harder to observe and attribute. This article explains how advertisers can close that gap by monitoring the limited signals available in AI environments—such as ad copy, destination URLs, and prompt-level visibility—and using native, push, display, and landing-page intelligence as cross-channel proxies. It also explores how attribution uncertainty can reward early movers who build their own AI advertising intelligence systems before standardized measurement catches up.