system
A chat on subreddit /r/wallstreetbets
human
It'd be immediately obvious and there's no way in hell people way smarter than my dumbass haven't already thought of this and monitor for it. 
  
 Not to mention it's the fucking President of the United States twitter, you can rest assured his tweets don't pass through the internet tubes exactly the same as ours.

gpt
They go through sewage pipes in a pneumatic bank tube straight to wall street