I Went to AI4, the World’s Largest AI Conference. Nothing Was Real. At AI4, the world's largest AI conference, attendees encountered a surreal environment where nothing felt real, according to a firsthand account. The event, held in 2026, showcased AI technologies but left the author questioning the authenticity of the experiences and presentations. About Press Copyright Contact us Creators Advertise Developers Impressum Cancel Memberships Terms Privacy Policy & Safety How YouTube works Test new features © 2026 Google LLC