In 2014, Donald Trump believed he'd mastered Twitter.
As he tweeted:
Oh Mr to-be-President. Why make such claims you can't back up?
It's just gone three years to the day that he made the boast.
So let's take a trip down memory lane, shall we?
5. Hearby and Hear by
7. Thr & gas
Despite all of these (and other) embarrassing typos, remember: He's the one who is President.