Never mind the debates about which is best: clamshells, candybars, sliders, and so on. There's a wider debate going on - how large should a smart mobile device be? I argue that once you get beyond a certain size, you lose the 'take it everywhere' usefulness, you sacrifice robustness and you fail to achieve mass market sales.

"But I see geeks across the world loving, I mean absolutely loving the likes of the Nokia N810 and HTC uber-devices. And why not? They're superb bits of kit for the technophile and they really can replace many other gadgets when used properly. But the problem is... that these large-screened 'midgets' are ONLY desired by geeks, those for whom the technology is as important as other aspects of their life - and I speak as a geek myself, but as one who lives surrounded by hundreds of non-geeks/normobs/whatever-you'd-like-to-call-them."

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