#10 File renaming in the title bar:

Users can rename their documents and other associated office documents while they are working on it or when the documents are kept open. OS X Mountain Lion offers this feature as the users no longer need to close the document if they want to rename it. For changing the name, users have to simply go and click on the title bar and enter the new name.

#11 Auto-setup of AirPrint printers:

Apple also has included their AirPrint technology in the OS. As the OS lets users to configure and print wirelessly, the technology is slowly gaining its reputation in homes and workplaces. Recently other tech giants like HP, also have introduced the same technology in their models. So what happens here is that as soon as the OS detects the printer, it gets and installs all the drivers automatically making it a perfectly AirPrint technology.