Continuity, introduced back when iOS 8 and Mac OS X 10.10 were released, lets users seamlessly connect all of their Apple devices together. With it came a feature known as Handoff that "hands off" an app or task from one Apple device to another, like starting an email on your iPhone and completing it on your Mac. The Apple Watch also has Handoff built-in, which means you don't have to strain your eyes on a super small display attempting to read a long email—you can just pass it off to your ...
