It's still the story that has to engage the reader. At least for the time being, much of the nonbusiness software market has levelled off. I think I can safely say that, as we speak there is no mass-market in software. Boates doesn't think the book will be obliterated either. With a disk, you have to have some kind of mechanical apparatus.
Books offer a more intimate experience.
You can ruffle a book's pages and pass it to a friend. To use a book, all you have to know is how to read. Boates says the technology already exists to render entire books on small hand-held computers. The biggest problem is the display screen itself. With nonfiction you already have the market.