#16 Compete with your friends:

Another improved feature in OS X Mountain Lion is the revamped version of Game Center. The Game Center lets users to track scores and updates of their friends and also help to analyze the performance. The Game Center is completely synchronized with iPad, iPhone and the iPod touch. The Game Center also comes up with other gaming and scoring mechanisms.

#17 Daily updates and app syncing:

With OS X Mountain Lion, users can sync all updates and installs via their app store. After installation, the OS automatically searches for updates and it starts syncing with the app store, which makes users easy to get hold of their respective updates. With more preference given to security, the OS lets users update their security, either in a daily basis or manually. The scheduled updates is been removed. Also users can set automatic updates for their system and security.