I blogged last month about the iPhone business model and stimulated huge discussion about whether the business model had sufficient longevity or whether it would have to change to survive. Over the past couple of weeks things seem to have moved very, very quickly. Firstly we had the iPhone 4 antenna debacle - leading to iPhone 4.0 being compared to Microsoft's Vista slump . There is an element of Apple living by the media sword and dying by the media sword. When they do the smallest good thing...