Earlier quoted context omitted.
And ephemeral, when desired by the user.
This is kind of loaded. I do think Telegram does an excellent job at ephemerality from a practical standpoint. Without being able to audit their server though, we have no clue if 'disappeared' chats and messages are actually scrubbed from their server. I was once banned from the service for playing around with very old clients and had a back and forth with them over email for a week or so (it was re-enabled and they…
Interested to read a blog post about that story if you decide to write about it. Woz tought us never to trust a computer. Trusting software seems equally risky. Approaching comms from this perspective leads one to assume the best place to hide, so to speak, is in the open—in plain sight.