a source seems to be cited in Apple's slides here (ctrl+f for "2 / 3"): http://www.engadget.com/2011/06/06/wwdc-2011-liveblog-steve-jobs-talks-ios-5-os-x-lion-i

a source seems to be cited in Apple's slides here (ctrl+f for "2 / 3"): http://www.engadget.com/2011/06/06/wwdc-2011-liveblog-steve-jobs-talks-ios-5-os-x-lion-icloud-an/ http://www.engadget.com/2011/06/06/wwdc-2011-liveblog-steve-...