Other functions—games, reference, GPS navigation, social networking, etc.—can be enabled by downloading and installing apps. The iPad 2 introduced a whole new design which also added a dual core Apple A5 processor and VGA front-facing and 720p rear-facing cameras designed for FaceTime video calling, and dramatically reduced the thickness of the device. The third generation added a Retina Display, the new Apple A5X processor with a quad-core graphics processor, a 5-megapixel camera, HD 1080p video recording, voice dictation, and 4G ..
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