At The Guardian’s “The Observer” section, John Naughton looks at a couple of iPad apps that change the way reading works, and suggests that they (and others like them) may be changing the entire “concept” of a book.
Another is an appbook by David Eagleman, a $7.99 iPad-only publication called Why the Net Matters. As with Stephen Fry’s recent appbook, Eagleman’s arranges the text in a different way than simply static text. It can be read non-sequentially, and has multimedia and hypertextual features to enhance the experience. Eagleman has a YouTube video explaining how it works: