Summary * Meta AI could transform ad monetization by capturing real-time user intent through conversational interfaces embedded in its mobile-first apps. * This shift gives Meta more upside than Google, as it moves into search-like territory while Google risks cannibalizing its own core ad model. * If Meta executes, it could reshape digital advertising by blending subtle AI-driven commerce with social context and personalized user memory. Introduction: A Quiet Yet Powerful Shift Mark Zuck