Glenn FleishmanSenior Contributor, Macworld

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Glenn Fleishman is the author of dozens of books, including his newly released A Practical Guide to Networking, Privacy, and Security in iOS 10, a book that has information and step-by-step advice on connecting to and managing networks, and securing your data and your privacy. He's a senior contributor to Macworld, where he writes the Private I and Mac 911 columns and hosts the Macworld podcast, and contributes regularly to many periodicals.

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In defense of old Mac software

Plenty of older software is good enough, smart enough, and gosh darn it, still works. A writer keeps his old tools sharp.

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How to convert between music files formats in iTunes

A reader worries an iTunes conversion feature has been lost—it's still there, just obscure.

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How to set up a new Mac securely and update an older one

If you're setting up a Mac from scratch for yourself or for another person, you can make a number of baseline choices, but they're good for existing installations, too.

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How Media Services and Wi-Fi Assist can drain gigabytes of mobile data

A reader’s employee mysteriously used 84GB in about 12 hours, including overnight. Media Services is to blame.

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Podcast 513: Still coming down from WWDC

Oh yeah, there's definitely enough here for two podcasts. And then some.

Scosche MagicMount PowerBank review: Magnetically attached Lightning connector

An excellent, well-designed middle ground between an external USB battery pack and an iPhone battery case.

How to fix a Fusion drive that has come unlinked

A reader sees only 121GB of storage on her iMac, and wonders what happened.

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How differential privacy can crowdsource meaningful info without exposing your secrets

Apple threw out a loaded term and little information in its keynote about a new approach it's rolling out to learn user behavior while preserving privacy. It's good.

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How to delete locked images in Image Capture

A reader sees a lock icon and can't remove images in Image Capture.

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The problem with blocking phone numbers in iOS

A colleague can't get Telemarketer Bastards to stop calling him.

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How to find recently deleted media in Photos for Mac

Apple’s documentation to find deleted images and videos in Photos is incorrect, as a reader points out.

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Podcast 512: At WWDC 2016, it's all coming together

Glenn and Susie are joined by Macworld Staff Writer Caitlin McGarry to unpack all of Apple's WWDC keynote announcements. Or most of them, anyway!

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With macOS and iOS 10, Apple is changing how we pay online, inside Messages, and even by voice

Apple is getting closer to replacing your wallet, with Apple Pay in Safari for iOS 10 and macOS, and mobile payments apps like Square Cash coming to iMessages and Siri.

Your cell phone number could be hijacked unless you add a PIN to your carrier account

Two-factor authentication and other verification systems are for naught if someone can call your phone carrier and get your number transferred to them.

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How to manually exclude images from a Smart Album in Photos for OS X

A reader wants to customize the results of a Smart Album, and we found a workaround.