Now all you have to do is warn users that the one LED is important and means something. There is already a common pop-culture shorthand for "now recording," th

Now all you have to do is warn users that the one LED is important and means something. There is already a common pop-culture shorthand for "now recording," the blinking red light. That's cheap and simple, and everyone already knows what it means, particularly when it's on a camera. The real question, in my mind, is how the world-renowned user-experience and user-interface experts at Apple decided to use anything else.