With the major revamp made to iOS 7 and with the changes introduced in OS X Mavericks, many had speculated that it would come to the point where Apple would unify both operating systems, kind of like how it has been speculated that Windows 8 and Windows Phone 8 could eventually merge and form one unified platform. As it stands there is some cross platform functionality and shared features in iOS and OS X, such as the ability to send/receive iMessages along with the notification center, for example.
