[twblalock]

I don't believe that for a second. There are many successful companies that only target only one or two of those market segments.

Besides, Apple's products have traditionally attracted consumers and prosumers before professionals, e.g. the Mac, the iPod, the iPhone...

You've got the cycle wrong anyway. From Rogers' Diffusion of Innovations, it is traditionally: Innovators, Early Adopters, Early Majority, Late Majority, Laggards. These are categories of people who have varying enthusiasm about trying new technology. They are not segmented into professionals and non-professionals. The first category includes all kinds of people, including consumers who want the latest and greatest iPhone for media consumption and playing Pokemon.