But you still have "files" (or whatever you want to call them now) - how are they going to be managed? Borrowing the above example, if I'm composing an email I

But you still have "files" (or whatever you want to call them now) - how are they going to be managed? Borrowing the above example, if I'm composing an email I may want to bring in bits of data from several apps - a presentation, a picture, some formatted text, a geo location, etc. Doing this on an iPhone in a single email is currently impossible.