> The most useful feature is the ability to swipe between desktops and applications, just like on OS X. Swiping four fingers in either direction switches desktops or applications, even using the same animation as on the desktop.
Uh? That is the most useful feature? That has been available without any modification since iOS 5: http://www.tuaw.com/2011/10/12/ios-5-features-new-multi-touc...