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![Thanks To Siri, The iPhone 4S Is A Serious Upgrade [CultofMac's Big Fat Mega Review] - Page 3 of 3 | Cult of Mac](https://www.cultofmac.com/wp-content/uploads/2011/10/iphone4s_v_iphone4.jpg "Thanks To Siri, The iPhone 4S Is A Serious Upgrade [CultofMac's Big Fat Mega Review] - Page 3 of 3 | Cult of Mac")
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