Weird, I watched this short and YouTube hung up on me, because it wanted me to think about something: He's talking about his voice notes app,.. Subscribe to JP makes apps . So we can't have private peer-to-peer messaging without setting up a server on a well-known IP address, which is therefore a SPoF and vulnerable to denial-of-service or snooping attack, but... 2:51 Google have had this for ages, just not for users. Subscribe to FUTO