But iPhones are showing huge gains among the lower income classes. And middle to upper class kids are getting them as birthday presents when they turn insert-te

But iPhones are showing huge gains among the lower income classes. And middle to upper class kids are getting them as birthday presents when they turn insert-teen-age-here. They have totally crossed the chasm. The Pre hasn't even begun. And the author makes an excellent case for why it won't. And here's one he left off: Apple has experience making this chasm-crossing happen. Palm does not.