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Reminder: before you go gushing about the "latest new shiny", know the history of your field. Case in point: all the breathless excitement about Google #A2A. Look, this has some interesting aspects to it, I'm not going to dispute that. But it's NOT some revolutionary new thing that never existed before!
We've had "Agent Communications Languages" dating back to the early 2000's if not back into the 1990's. If you don't believe me, look up #FIPA and/or #KQML.