Hrm.. what happens when you want to hold it in portrait mode without smudging fingers on the screen and/or preventing intended gestures? The narrower rims work on the iPad mini because you hold the back of it with one hand, but that doesn't work with the full-sized iPad unless you have very big paws..
I suspect that THIS is the real reason for the fingerprint tech, not some fancy new home button trick. Detect the difference between a tap etc and a grip. Have palm rest as well hopefully
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Nice, this is what I've been wanting. If there are this many parts leaking out, it will probably debut sooner rather than later. iPad 3 was released in April....
iPad 4 was in October. Combine this with the mega sized in Feb, which could have been a 'one more thing' if there was a launch this soon and it spells a fall release being more likely. Post WWDC and the release of iOS 7 with perhaps a fancy new touch detection to avoid false hits that would be needed on a device of this design.