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Page last updated at 11:53 GMT, Friday, 21 October 2011 12:53 UK

How useful is Apple's voice-controlled assistant Siri?

We've seen voice control and voice activated search before on handsets, but Apple claims to have created an intelligent all-in-one personal assistant for its new iPhone 4S.

Despite having been available as an app for a while, Siri is still in beta - a work in progress - which Apple says will adapt to accents and respond to natural speech.

Dan Simmons speaks to the UK version.

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