Explore the intersection of cryptography and advertising in this comprehensive conference talk. Dive into useful primitives and their applications in the ads ecosystem. Learn about universal psychography, password use cases, smart home networks, and identity-based peaks. Discover the challenges and current tools in the field, and gain insights into private computation, including private lift and record linkage. Examine the engineering challenges, scaling issues, and pricing considerations in adopting private computation frameworks. Engage with Lightning Rounds for benchmarking and participate in a Q&A session to deepen your understanding of this evolving field.