The obvious example of this philosophy in action is the iPhone. Remember the first time you played with one? You start out knowing just a few basic facts like t

The obvious example of this philosophy in action is the iPhone. Remember the first time you played with one? You start out knowing just a few basic facts like that you can touch things and pinch to zoom, then you find yourself poking around looking for other nifty interactions you've never tried before (because you're actually curious), and before long the entire interface is second-nature.