Are apps the future of book publishing? — from forbes.com by Alex Knapp

Excerpt:

It’s no surprise, then, that publishers are turning to the app as a possible product for books moving forward.  This has led to another movement towards enhanced books, particularly as apps for iPhone, Android, and other tablets. Are tablet apps the book of the future? In order to find out, I talked to authors, publishers, and app programmers, and read more than a few book apps.