It was about being very focused and not trying to do too much with the device -- which would have been its complication and, therefore, its demise. The enabling features aren't obvious and evident, because the key was getting rid of stuff...
What's interesting is that out of that simplicity, and almost that unashamed sense of simplicity, and expressing it, came a very different product. But difference wasn't the goal. It's actually very easy to create a different thing. What was exciting is starting to realize that its difference was really a consequence of this quest to make it a very simple thing.