aevan
macrumors 601
The original poster said the integration was unique to Apple - it isn't. Logitech and others have had this integration between desktops, notebooks, and tablets for years. There's no cleverness required to state the obvious but the original poster apparently wasn't aware this feature predates Apple by a considerable period of time.
This type of integration existed for a long time. Apple “just” did it a lot better.
It’s almost a pattern at this point.