This discussion explores the evolving landscape of digital advertising, emphasizing AI's role in personalizing content and enhancing ad performance across platforms like Meta. The shift from social graph-based feeds to AI-ranked content is reshaping user engagement, while retail media networks leverage first-party data to thrive under stricter privacy regulations. Despite public concerns over data use, actual behavior shows continued acceptance of targeted ads, suggesting a gap between perception and practice. WhatsApp’s integration of payments in markets like India highlights its potential as a super-app, contrasting with fragmented U.S. messaging services. The conversation also examines alternative tech histories, including what might have happened if Instagram had remained independent or Libra had launched successfully. AI is amplifying individual productivity, likely increasing top performers' impact without eliminating jobs overall. Looking ahead, AR and AI-integrated glasses may succeed VR in the next wave of platform innovation, enabling more personalized, context-aware advertising experiences.