Lion 16 Marzo 2012 Apple rilascia OS X 10.8 Mountain Lion Developer Preview 2 e OS X Lion 10.7.4 [AGGIORNATO]
![Apple rilascia OS X 10.8 Mountain Lion Developer Preview 2 e OS X Lion 10.7.4 [AGGIORNATO]](https://static-mac.iphoneitalia.com/wp-content/uploads/2012/03/previoew2_mountain_lion_os_x_10_8.jpg)
