Recently there has been a lot of articles on A.I. and dooms day which it brings with itself. There is not much to say, just the fact that it's not happening anytime soon. For all the paranoid people, you can sleep well without worries.
People who do not work on A.I. research can easily believe what some journalists write, but seriously - facebook's bots did not invent their own language, they diverged and crashed - talking complete nonsense.
Alan Turing, smart man and person who decoded war codes (and saved many people) defined first stage of A.I. by passing Turing test: Human cannot distinguish if he/she speaks with human or A.I.
As you see from conversation Facebook's robots had, it is easy for anyone to tell it's not humans speaking. And yes, machines might eventually develop their own language, but current A.I. is not good enough even when speaking with us - humans. Do you remember when you asked something Siri / Cortana / Alexa / OK Google and received weird answer…