I have no use for this, but the way it works is genius (and much more secure than most copycat approaches, at least as far as I can see from this article and the Python demo they put up on GitHub).
Of course I expect Apple to do something about it, but after all the RCS mess1 over the past year, it’s nice to see a credible alternative.
Update: Well, that didn’t last long at all. Thanks, Apple. Oh, wait. Oh, wait, they gave up and open sourced it.
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Full disclosure: I hate RCS, just as I did most of the “classical” telco messaging protocols due to their heavy carrier dependencies, ↩︎