It's pretty neat how current this book reads being published in 1993. I like Nardi's counter examples of driving cars and playing music as alternatives to natural language ("mundane conversation") as the default medium of human machine communication.
Reminds me of something I read recently in
Make It Stick—that there is no empirical support for the claim that instruction in one’s preferred learning style (e.g. "I'm a visual learner") improves learning outcomes. It's the subject matter that dictates the best medium, e.g. diagrams for geometry, words for poetry