With the last few iterations of iOS and OS X, it's becoming increasingly clear that the futures of these two operating systems are closely intertwined. Over the last decade or so, Apple has become a company focused on its ecosystem, in which all of its products work together. Naturally, as that ecosystem has evolved, the exchange of ideas and features between iOS and OS X has increased. You might think that, in time, they'd eventually become the same.

But that's not necessarily the case. In a talk at the , Jobs made a distinction between traditional PCs and devices like the iPad by comparing them to trucks and cars. And that comparison seems to have remained largely apt. Obviously, there's a great deal of overlap between what the two types of devices can accomplish. But there are still times when a particular task calls for one or the other.

So don't expect Apple to do anything radical like abandon the Mac platform. If anything, Apple's recent release of two major OS X updates in the past two years shows that Mac development is as strong as ever. Borrowing features from iOS is just an indication that the old veteran OS X has something to learn from the fresh-faced rookie.