Ads pay for the internet—and they’re about to change again. a16z General Partner Erik Torenberg, entrepreneur and author Antonio García Martínez, and Meta CMO Alex Schultz dive into growth and performance marketing, privacy myths, retail media, and the AI future of “audience-of-one” advertising—plus Instagram what-ifs, WhatsApp as a super-app, and how Meta’s feed shifted from social graphs to AI-ranked content.