Evenly quadrupling the resolution makes it easy for developers to ship apps that take full advantage of both existing and new screen resolutions by simply including two versions of graphic assets, one labeled (by Apple convention) file.png and and a higher resolution version named firstname.lastname@example.org.
In order to handle that massive jump in resolution, iPad 2 would likely need a big boost in processing power, particularly its GPU. Recent rumors have suggested that Apple will address that need with a new version of its custom A4 ARM application processor, possibly named either the A5 as suggested by Engadget or A8, as postulated by a source in Hong Kong.
Boy Genius Reports - Apple just added multitouch gestures for the iPad in the latest iOS 4.3 beta is because the iPad will be losing the home button. Instead of button taps, you will use new multitouch gestures to navigate to the home screen and also to launch the app switcher.
Macnotes - iPad2 will launch on April 2 or 9th, 2011
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