iPhone 4S 'Doubles' Data Usage ... But Is Siri Really To Blame?

According to a report by Arieso, an advisory service for mobile operators in the US, Europe and Africa, iPhone 4S users consume nearly twice as much data as iPhone 4 users, and nearly three times as much as the iPhone 3GS users. Is Siri, the voice-activated personal assistant, to blame?

Click here to read more at ZDNet.

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