The document compares different desktop and mobile operating systems, including their key features. It outlines the features of OS X 10.8 Mountain Lion such as fully integrated Facebook and notification center. It also describes features of iOS 6 like Siri which provides more information but requires clearer speech, and new maps. Hardware requirements for OS X 10.8 and iOS 6 are listed as a 64-bit Intel Core 2 Duo processor with 2GB memory for OS X 10.8, and 3GS processor with 256MB RAM for iOS 6.