Earlier quoted context omitted.
> The clients could negotiate keys to protect the contents of a meeting end-to-end. Not really because Zoom makes fairly extensive use of the decrypted video streams on their servers, e.g. to detect who is talking, pause video for people with slow connections, etc. You could maybe do it for meetings with a few people in, but good luck doing it for meetings with 100 people. Hell the cryptography of group end-to-end en…
> WhatsApp doesn't do it and that's just for text. I'm pretty sure Signal doesn't either. Wow this is news to me. Glad I'm not using whatsapp since forever. Signal definitely encrypts group chats since forever: https://signal.org/blog/the-new-textsecure/
Turns out I was wrong about that - might have been true in the past but it is e2e now.