"And then we'll send the draft for review..." BZZZZZT! "Greetings. I am Wally from the year 2040." "In the future, time travel will be possible but highly unethical." "But it's only unethical if you make the mistake of changing anything from the past." "I was out of coffee so I came here to get a fresh cup. Ah, here we go." "I have to run. Make sure nothing changes because of my visit or it will kill everyone in the future." "Let me be the first to say that this feels awkward."