“When the chef said, ‘Hey Meta, start Live AI,’ it started every single Ray-Ban Meta’s Live AI in the building,” he said. “And there was a lot of people in that building.”

“That obviously didn’t happen in rehearsal,” Bosworth said. “We didn’t have as many things.”

It wasn’t the only major blunder Meta encountered during its keynote.

Since Meta routed all traffic to its “dev server,” including from all of the headsets in the building, “we DDoS’d ourselves, basically,” Bosworth admitted, referring to a common cyberattack strategy known as a “denial-of-service attack” that attempts to bring a network down by overwhelming it with phony internet traffic.