Generative AI is reshaping product experiences while introducing new privacy challenges. This talk explores how Meta’s Privacy-Aware Infrastructure (PAI) helps navigate this evolving landscape, protecting user data while enabling safe GenAI product innovation at scale, using Meta AI glasses as an example. We’ll highlight core PAI technologies such as data lineage and safeguards that embed privacy directly into the product development lifecycle, empowering product teams to move fast while delivering trusted experiences to Meta’s ~4bn users.