Apple announced the release of their newest Mac OS X version at this year's Worldwide Developer's Conference, and it's called "El Capitan." Like the majestic rock formation it's named after (located within Yosemite National Park), El Capitan promises to emphasize and expand on some of the great features we used on 10.10 Yosemite. If you can't wait to try out some of the new features coming this fall, like more intuitive Spotlight searches and improved window management, then sign up for the P...