His comments on virtual vs physical interface are insightful.
The Verge - All Posts
The web aficionados among you may know Shaun Inman from his web design site experiments, the Mint analytics package, Fever feed reading app, or more recently, iOS games like The Last Rocket. He took some time to talk to The Verge about the difficulty of implementing touch-based controls, why Super Mario Bros. still works so well, and his favorite pixel art designers. You can find him online at shauninman.com and on Twitter at @shauninman.