I'm not a fast typist either, but when I saw the author mention that daily typing practice helped with focus, I figured I'd try it. I started doing five minutes a day, kind of like clearing my head before work. Surprisingly, it actually helps.
I've written things before that no one really read, but I still felt they were worth putting out there. Sometimes the only reason I hit publish is because it means something to me. Even if I'm the only one who reads it, that's enough.