While extensions have made their biggest splash in iOS 8 - you can now do things like add new keyboards, for example - the same sort of technology has practical applications in OS X, to make it easier to share content with social media and between different applications and to improve your workflow. 'Extensibility' is another area that Apple's emphasized. AirDrop, which up to now has been segregated to iOS and OS X use exclusively, now works fluidly between iOS 8 and Yosemite. And it's easier than ever to pick up where you left off when composing an email or a new document, regardless of what device you're using.Ĭontinuity also extends to areas like personal hotspot tethering, making it easier than ever to use your iPhone as your connection to the Internet on your Mac. You can do the same with SMS and MMS messages, making it much more easy to stay in touch with those friends and colleagues who aren't part of the iMessage ecosystem. OS X Yosemite now allows you to make and receive phone calls on your Mac using your iPhone as the conduit. And it extends to messaging, file transfer, voice communication and more. 'Continuity' is the buzzword Apple has come up with to describe making the transition from iOS to OS X more seamless than ever.