'Siri's dirty little secret is that she's a bandwidth guzzler, the digital equivalent of a 10-miles-per-gallon Hummer H1.' A study by Arieso shows that users of the iPhone 4S demand three times as much data as iPhone 3G users and twice as much as iPhone 4 users, who were identified as the most demanding in a 2010 study. 'In all, Arieso says that the Siri-equipped iPhone 4S "appears to unleash data consumption behaviors that have no precedent.

http://apple.slashdot.org/story/12/0...dwidth-guzzler