In iOS 8, Apple brings welcome refinements to Photos app

As we've come to expect, Apple is using its annual developers' conference in San Francisco to announce new versions of its desktop and mobile operating systems. Along with a host of refinements in iOS 8 is a revamped Photos app, with improved native retouching options, better search, more complete iCloud integration and support for third party retouching apps as 'extensions'. Meanwhile, the native Camera app gains the option to lock focus and exposure separately, by touch. Click through for more details.