The speaker describes Superhuman as a premium email client with additional features for people who work in email extensively.

“Um and uh you know, it's just I I was thinking about uh maybe the success of superhuman uh as a as a email client. Everyone has Gmail, but here here's just premium Gmail.”

“with like more stuff for people who live in email all day long. And like th that's a market, right? Yeah, it w maybe wasn't the largest startup in the world, but uh I think uh reasonable people can disagree how large uh each thing is.”