The Shifted Librarian talks about how companies are enabling people to Listen to a Book on Your Cell Phone. That’s great but I would love to see these people support Daisy which is an open standard for allowing people to navigate hierarchical data (left/right to go back and forth in the book and up/down to go through the hierarchy itself… chapter to section, etc.)
At Devis, we built a prototype system to deliver Daisy formatted books over the telephone and it works very well.