That last part is key here. Almost everything that the iPhone does existed before the iPhone. You can find most of the UI concepts throughout the old Palm app e

That last part is key here. Almost everything that the iPhone does existed before the iPhone. You can find most of the UI concepts throughout the old Palm app eco-system. Apple did a great job of bringing it all together and (most importantly) bringing a consistent UI metaphor to it all. What Apple did was revolutionary, but they stood on a lot of shoulders to do it.