No, sorry- I’m really bad at being clear.
I was sort of channeling my inner texting-obsessed teen (which was hard as she doesn’t really exist) and making it seem like I thought that the pound key was the “hashtag key.” Then, of course, making that seem “obvious” like the fact that you should know (duh) the difference between a colon and a semicolon in an emoticon.
(The Anatomy of a Bad Joke.)