MGG 556: Blowing Dust and Perma-Verbose Mode

Recording hours before the WWDC 2015 keynote, John and Dave answer your questions, as per usual! How do you detect and deal with duplicate files? What about a failing hard drive with some important data? What's the right - and wrong - way to clean dust out of your Mac? And have you ever wanted to enable perma-verbose mode? Find out all this and more on today's Mac Geek Gab!