Erich Gamma: Yes, and it is funny that you mention the iPhone. The iPhone SDK is based on the NeXTStep object-oriented frameworks like the AppKit. It already existed when we wrote Design Patterns 15 years ago and was one source of inspiration. We actually refer to this framework in several of our patterns: Adapter, Bridge, Proxy, and Chain of Responsibility.
Richard: Which is a great example of the enduring nature of good design, and how it survives different technical manifestations.
In the Microsoft developer community, we are just now getting around to implementing patterns like MVC, Adapter, and Observer. People still argue over whether or not the MVC pattern is “necessary” to build a “working application”.
I guess it depends on whether or not you like good design?