Biggest disadvantage of books is that they are shareable, reusable, and DRM free. For business, anyway. There's lots of cool things you can do to enhance learn

Biggest disadvantage of books is that they are shareable, reusable, and DRM free. For business, anyway. There's lots of cool things you can do to enhance learning with computers, like daily quizzes, discussion boards, etc. But replacing books is not one of them IMO