Explore Meta's innovative privacy initiative enabling users to remove historical ad-interaction events in this 15-minute conference talk from PEPR '24. Delve into the infrastructure changes for data ingestion and storage supporting this new functionality. Examine modifications to feature representation and model architecture allowing users to delete specific ad interactions from their "recent ad activities" page, preventing their use in Facebook's ad ranking. Gain insights into the combined approach of infrastructure adjustments and novel feature representation techniques. Learn about the introduction, problem space, current challenges, key terms, Transformer model, and its pros and cons in implementing this empowered user control feature.