I think there's no question that apps have brought a wide range of interaction capabilities that couldn't have existed in a web browser-centric world. However,

I think there's no question that apps have brought a wide range of interaction capabilities that couldn't have existed in a web browser-centric world. However, I believe that Gruber is missing Dixon's point that an app-only world bring forward many disadvantages as well. I think both agree that without native apps, we wouldn't have many of the functionality that we have today. But, there's still the real risk that any app could be removed or prohibited from the App Store for unclear reasons.