Apple's OS X 10.10 Yosemite: big UI overhaul, introduces "continuity," free release coming this fall
Apple kicked off its annual developer conference by unveiling the next major release of OS X, named Yosemite after California's Yosemite National Park. The OS X 10.10 update appears to bring more subtle refinements compared to previous years, but aside from a new paint job that’s cleaner and directly inspired by iOS' flatter UI, there were a couple of surprise new features that got big cheers from the crowd.
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