Apple adds instant camera access from lock screen and volume-up to shutter button to
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Apple's just announced that iOS 5-enabled iPhones (and likely iPads and iPods, too) are getting a camera shortcut on the lock screen, the ability to snap pics by pressing the volume up button, and the ability to lock focus and exposure by tapping on a subject. Apple also added an optional grid to help frame photos, and a new photo editor with a basic feature set that includes cropping, rotating, red-eye reduction, auto-enhance features, and the ability to create albums on the device.
http://www.engadget.com/2011/06/06/a...p-shutter-key/