@feonixrift we’ve become to accustom to continuous internet connection that it’s easy to forget just how powerful and resource thrifty asynchronous communication systems are.
Things like autonomous mesh networks become trivial to build when they only need to support asynchronous applications.
Store-and-forward is also facilitated by the ephemeral nature of the messages. People are much more willing to hang onto others' messages when it's for a limited time.
Authenticated encryption also makes it possible to do this securely.
A social network for the 19A0s.