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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Podcast 535: So long to AirPort?

Rumor has it, Apple is getting out of the router game—for good, or just in preparation for a video streamer slash router slash home hub?

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The best way to migrate an old Mac’s system to a new Mac

A reader wonders which option to choose among several.

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How to protect yourself on Twitter with its improved mute, report, and filter tools

Twitter has ramped up filtering and reporting options on its website and in its mobile apps.

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How to fix macOS Mail when mailboxes aren’t in alphabetical order

A reader offers a tip for deleting cached files to fix a problem that bothered him.

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How to remove items from the macOS Bluetooth menu

A reader wants to clean up their list of Bluetooth devices.

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In case you didn’t know: iCloud email has limits on daily messages and recipients

A reader gets locked out from sending email via iCloud due to limits most people don't encounter.

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A USB dongle can hijack all your Web accounts and router in 30 seconds, even if your computer is locked

A security researcher finds a gaping hole in automatic network connections made by plugging in a dongle.

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How to create the inverse of a Smart Album’s selections in Photos

If you want everything that's not in a Smart Album, you have to tag everything in that album.

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Upgraded to Photos? Here’s what you can do with that old iPhoto library

A reader wonders about hard links, iPhoto, and Photos, and what happens when the iPhoto Library gets deleted.

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How to install an app in macOS Sierra that’s not signed by a developer

Sierra makes a small change in launching less-validated software, but it's still there.

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Podcast 534: The Mac book that isn't a computer

Apple's new design book—and its attitude lately—are pretty annoying, but Susie's still really into the MacBook Pro with Touch Bar.

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Certs up! Apple and Google take certificates more seriously

As we near 2017, browsers start complaining more about rotten website security, but it’s never been easier to assure yourself you’re safe.

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How to free up space used by iMovie files

Folders from versions past may be full of gigabytes of duplicates or unwanted files.

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What to do when Apple tells you there’s not enough storage to re-sync iCloud Photo Library

Turning iCloud Photo Library off and back on forces a full resync and requires twice as much storage.

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Podcast 533: The Mac of today, the Mac of tomorrow

Susie and Glenn discuss the underwhelming "Escape Edition" MacBook Pro and wonder about the next big Mac innovation.