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Page last updated at 14:35 GMT, Friday, 14 October 2011 15:35 UK

Ceatec - pushing a touch screen's buttons

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One thing that critics have always said about touch screens is that they do not have the "feel" of pushing a real button and users could struggle to be precise.

In the first part of his round-up from the Ceatec show in Japan, Dan Simmons looks at how new interfaces could mean that buttons make a return to new mobile touch screen devices and explains what else he found in Tokyo.

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