Do you watch Extra Credits? If you have a deep passion for designing or examining games critically, you should. Week after week they deliver insightful discussion on areas of our industry, complete with some doses of humour for good measure.
The reason I bring this up is the latest episode is all about designing for touchscreens, and how the strengths of the mobile platform require a fundamental change in the way developers approach control input. This resonated with us, as this point has often been raised in our reviews. It's an important topic, and it's nice to see others addressing the issue as well.
If you wanted to take a look, you'll find the video below. With any luck, more iPhone developers will take heed of what's being discussed here.