9 Essential Apple OS X Mountain Lion Tips and Tricks

Apple’s new OS brings some of the best features of the iPad to Macs, including Twitter, iMessage, and AirPlay Mirroring. But the software also includes helpful and innovative features that are unique to the desktop, including Power Nap for updating data even while your notebook’s lid is closed and beefed up security to protect against malware. So how do you use all of these new capabilities? Use our step-by-step guide.