To me a "Web Book" should take advantage of some HTML5 features in order to get some of the benefits of the richer Kindle/iBooks experience: * Offline in-brows

To me a "Web Book" should take advantage of some HTML5 features in order to get some of the benefits of the richer Kindle/iBooks experience: * Offline in-browser reading using AppCache * Highlighting, bookmarks, notes, last place read using localStorage or indexedDB and then synced to the server when online