In Mark Zuckerberg’s first big interview since Meta Platforms’ historic stock drop—and really, as Zuckerberg joked, one of his longest Q&As not before Congress—the increasingly product-focused CEO tried to have some fun. He entertained the idea of letting the interviewer, MIT computer scientist and podcast host Lex Fridman, try some Brazilian Jiu-Jitsu moves on him, and even gave some thoughts on the meaning of life.

But Zuckerberg and Fridman also devoted a lengthy and (mostly) serious portion of their conversation to the metaverse. While he hammered home some familiar talking points about creating a realistic sense of being in VR and about technologies like face-tracking, there are a few highlights from the interview worth noting: