Even if the iPad was a comparable product to the iPhone, which it isn't, comparisons between product launches that are three years apart shouldn't be taken too seriously. Markets grow. That's kind of the whole point of this capitalism thing upon which companies like Apple are founded.

I'll revise my position if someone can systematically account for the way people have embraced touchscreens, apps, and mobile broadband over the last three years.

Off the top of my head, I can't tell you the number of iPhones sold to date (okay, over 42 million if you add up ). I can tell you that people line up outside the Apple Store to get the latest model, that I see iPhones everywhere, and that third-party developers love the app store despite .