The Blind Shooting The Blind ∵ Stephen van Egmond’s weblog

If you REALLY want to demonstrate this to yourself, turn on voiceover (…) and then triple-tap with three fingers. This activates the screen curtain, a privacy feature that keeps sighted people from snooping what you are doing with your phone. It will also give you a very good idea of what the iphone experience is like when you can’t see.