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. Full disclosure: I hate it, just as I did most of the “classical” telco messaging protocols due to their heavy carrier dependencies, ↩︎ ...