The document discusses the future of books and ebooks. It provides a brief history of books from ancient libraries to modern times, noting various instances of book burnings. It acknowledges that while ebooks are criticized, books remain a reliable representation of knowledge and experiences. The document suggests that future ebooks could enable more conversation and discovery between readers and authors by breaking down walls between book and reader. It poses questions about how books and applications may converge and views challenges as opportunities for books to continue evolving, such as becoming a reader's GPS for information.