On this week's all-star episode, Avram Piltch, Online Editorial Director of Laptop magazine, discusses the curious case of Dr. Steve Mann, who is considered the "father of wearable computing." He'll also discuss the differing visions of Apple and Microsoft when it comes to the Post-PC and PC+ eras. John Martellaro, Senior Editor, Analysis & Reviews for The Mac Observer, discusses a variety of subjects that include the ongoing integration of Apple's iOS into OS X, and the patent lawsuit epidemic among tech companies. Dan Frakes, a Macworld Senior Editor, offers a primer on Apple's OS X Mountain Lion, including the system requirements and why some older Macs are no longer supported. You'll also learn about some of the most important new features.