I don't think "we" did. And also I would argue that going to touch from say a mouse or lightpen (which I think predates mouse-based interfaces) is essentially a

I don't think "we" did. And also I would argue that going to touch from say a mouse or lightpen (which I think predates mouse-based interfaces) is essentially an incremental improvement on the same kind of user interface compared going to things suggested in this article (voice control, thought control).