In the recent Steve Jobs keynote, Apple introduced the next major version of Mac OS X. "Lion" boasts many new graphical innovations, and iOS seems to have been sewn into the new interface. One of the most interesting additions to Lion was the "Launchpad."
Launchpad brings the iOS home screen to OS X. In OS X Lion, when you activate your Launchpad, your desktop wallpaper is blurred and given a nice vignette so that you can clearly see your app icons. The effect is very pretty. And, fortunately, it's fairly simple to duplicate this visual effect with your iPhone's locks screen and home screen...