alt Hacker NewsI'm the same. I also can think ahead / along much better while typing. When I'm talking I'm just talking, not thinking as much.
But I guess thinking is going out of style anyway.
That said, I know a lot of people prefer talking to their computer, especially when their computer is a phone. So there is definitely a place for stuff like this.
You need to train yourself to speak written speech. When you do that, the thought processes behind typing your words activate, and your language use changes.