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Tweaked login screen
OS X Mavericks has a different login screen to differentiate it from older versions of the Mac desktop operating system. It may change in later builds, but for now it is cleaner and simpler, with a "flatter" Apple logo above the usernames.
This slideshow was first published in August 2013. It has been updated and republished on October 22, at its official launch in San Francisco, California, to reflect changes and additions.