Does your MacBook start sounding like a rocket ship that’s about to take off if you have more than four browser tabs open at once? If so then you may want to do a cleanup of your Mac’s disk space and there’s no better way to do it than through a third-party app called Disk Inventory X. FROM EARLIER:-iOS 9 vs. Android M – The future of mobile in side-by-side pictures The app, which I first learned about from Joanna Stern’s excellent guide to improving your old Mac’s performance, gives you an easy-to-understand breakdown of the files on your Mac that are clogging up your storage. When I first used it, for instance, I found that there was a mystery

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