I am not an Apple fan, but I have an iphone, which is crap as a mobile telephone. Being touch sensitive there is no tactile feedback either of key position or activation. In the old days one could stride purposefully through the Angel with a clunky Nokia texting your friends with one hand that you were running late. Try doing that with an iphone and you will hit the first lamppost you encounter. (ie it ruins your situational awareness
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The best feature of the iphone is the SMS speech-bubble interface. It makes SMS into conversations that are visible and can be scrolled! "I refer the honourable girlfriend to the excuse I made earlier." becomes a real possibility...
hugel