One cone to splatter em all!!
True but at this point everything is actually just theory, if were talking grd or armor. It was said (not by bungie or 343 if I remember right) that adding armor wasn't possible due to the build of the game.
Now I can guess that the people that coded it had to make something that could produce a lot of capabilities(look at title update). So If you ask me the will just slap some program on that makes everybody update or gather new data whatever.
I can't say for sure cause If nobody has found the path for it in the code, it must be some high level stuff.(My knowledge on these data exchange systems is limited)
or maybe I am just good at giving too much Credit(s).
A huge help would be some footy of the guy scrolling through the armory. It was an the last bungie day bungie cam. if recall.