Well, if you take the view that persisting any representation of information from one spacetime event [0] to another is “communication”, then pretty much any ph

Well, if you take the view that persisting any representation of information from one spacetime event [0] to another is “communication”, then pretty much any physical process is “communication”. But then the term kinda starts to lose its meaning. [0] https://en.wikipedia.org/wiki/Event_(relativity) https://en.wikipedia.org/wiki/Event_(relativity)