Reinventing the Book

The book is a venerable invention for sharing knowledge and entertainment. It's now being reinvented, via the kindle, other e-book readers and soon, the iPad.

Here's Penguin's vision for ebooks:

At the same time, the business models will be reinvented. Massive Bundling and Subscriptions become will be much more profitable because the marginal costs of e-books is so much lower than paper books.