Glenn FleishmanSenior Contributor, Macworld

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Glenn Fleishman is the author of dozens of books, including mostly recently Take Control of Slack Basics, a book on mastering and becoming efficient in Slack. 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.

Podcast 492: How to travel like an international superspy

Security researcher Rich Mogull joins us to talk about security when traveling to countries where you might have a very good reason to be paranoid.

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Chapters review: Mac app adds segment marks to MP3 podcasts and audio files

It's a very specific app, but if you need it, it's the only way to get this option.

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How to get a Mac laptop's headphone jack to work reliably

A reader writes in with a common problem with MacBooks of all vintages related to audio output.

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When AirPort base stations don't appear over Ethernet

A reader can't configure his network with an Ethernet-only connection.

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LastPass fixes some browser-based impersonation weaknesses

The password-management company responded to a security researcher by battening down the hatches. But messages in a browser can't be trusted.

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Default Folder X 5 review: Mac app advances the state of file navigation

Despite new limits in El Capitan, the wholly rewritten Default Folder X 5 not only restores previous functionality, but exceeds it with new options.

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Switch to six digits for your iOS passcode

A court case makes it clear the government can at least try to brute-force your iPhone's four-digit passcode.

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How to navigate among tabs in Safari for El Capitan

A reader wants to let her fingers do the walking among Safari's tabs.

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Podcast 491: Make A-Mac-ica great again

We discuss the technology in politics, with Donald Trump's plan for force Apple to make its hardware in the U.S., and the New York Senate's back-door demand. Plus VLC, Netflix, and more.

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How does Photos resize images on export or drag?

Photos for OS X has changed its export behavior since its initial release. You almost need a flowchart to figure it out.

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How can you exit a group Messages chat?

What happens when you're roped into a group chat that you want to exit? You've got a couple of options.

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Loopback review: An easy way to route your Mac’s audio to your software and devices

If you need to bundle two or more OS X audio sources to pass as input into another program, Rogue Amoeba's Loopback provides a simple, hack-free method.

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Gatekeeper flaw remains exploitable four months after its discovery

Other iterations of the flaw Patrick Wardle discovered in September in OS X's code-signing application checker remain in play.

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Podcast 490: iOS 9.3, CES, and the mess that is News

Susie and Glenn reunite to talk about everything from yoga robots to Apple's many failures to help the media business.

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Don't give open hotspots a security pass

Comcast offers iOS profiles and AT&T automatically connects your phone. Is that safe? A new hotspot standard will help.