How to use the iPhone 4 iOS4.1 HDR camera
      Apple has done it again with the iPhone 4, pulling a very cool feature out of thin air. This time it is the addition of an HDR (High Dynamic Ratio) function for the already cool iPhone 4 camera in the 4.1 update. HDR is a fairly [...]
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http://iphonetouch.blorge.com/2010/09/09/how-to-use-the-iphone-4-ios4-1-hdr-camera/