The single most important one is probably Notifications, a unified system that lets programs of all sorts briefly command your attention even when you're not using them, via messages which pop up in the upper right-hand corner of the screen.
Right now the BBC refuse to say how many people are using this loophole to keep up to date with shows such as Doctor Who, but estimates believe it could be up to one million viewers.
Media lawyer Callum Galbraith said the press would have weighed up the prince's privacy rights, against the media's right to publish, before using the pictures.
But if a patient executes an advance directive, after thinking it through, they are not only doing the right thing for themselves and their families, they are doing what is best for society by not usingup resources they do not wish to use.