Invitation links have been flying around Silicon Valley the past few days to an exclusive app that’s a combination of voice notes and Twitter, called Airchat.

Airchat, still limited to an invitation-only audience, is the latest app being hyped in tech circles, and comes from AngelList co-creator Naval Ravikant and Brian Norgard, Tinder’s former chief product officer. It looks somewhat like a Twitter feed upon opening with blocks of text. They’re transcripts of voice notes posted by users, which you can play to hear. Those voice notes can be hearted or reposted, similar to Twitter, which is now called X.