Mountain Lion will sell for $19.99 for existing OS X Lion and Snow Leopard users.
Revealed by Apple today at its Worldwide Developers Conference in San Francisco, the new version of OS X will start shipping in July. The new OS will be available in Apple's Mac App store.
Apple's newest operating system builds in several features inspired by its iOS mobile devices. Apple SVP Craig Federighi, who showed off the system, said the new OS has more than 200 new features, including notifications, Reminders, Game Center, Documents in the Cloud, and Messages.
Many of these features … Read more