It’s as big a shift as the shift from mainframes to PCs or from PCs to the web. That’s the kind of shift that comes along every 10 or 20 years. It leaves a lot of change in its wake. We don’t use the tools of mainframes to use PCs… And we aren’t using the tools of the web to make connected-client applications.
He also has an interesting tidbit about Apple’s ecosystem that I hadn’t realized: