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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A mysterious stranger appears in Mail’s To field

Mail can fill in the blanks oddly from its Previous Recipients list.

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How to make Sidebar shortcuts for removable drives

How to make persistent shortcuts in the Mac's Sidebar even after unmounting and remounting a drive.

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iPhone users: Avoid battery apps. They aren’t useful

What you need to monitor your battery life is already inside iOS.

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Privacy problems on the Web: Even your device's battery life can be used to track you

Your remaining battery power may reveal your location, Firefox clamps down on Flash, and your fingerprints are all over the net.

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Apple advises immediate update to iOS 9.3.5 after discovery of targeted iPhone spyware

Independent researchers tracked down malware sent to a Middle Eastern human-rights activist and alerted Apple, which patched three separate zero-day exploits.

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Podcast 522: Headphone jack interrupted

What is an iPhone but an iPod, a phone, and an Internet communicator—with a place to plug in wired headphones?!

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Does your AirPort Extreme Base Station work but is unreachable via AirPort Utility?

We're tracking a problem and would love to hear your experience.

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Disable third-party cookies as a hedge against a new browser-based attack

It's not about ad blocking, but rather an unintended consequence that you can mitigate.

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What to do if the Characters palette won't appear in Safari

The palette sometimes does a hiding act due to a corrupted preference file.

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Castro 2 review: Podcast app for iOS keeps episode volumes down to a dull roar

If you're looking to curate your podcasts instead of having a flood, Castro 2 has the right tools.

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How to paste text without including formatting

Sometimes you don't want all the formatting and links that are included when you copy text.

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Get rid of Google Earth Update Helper pop-ups by uninstalling Google’s hidden software updater

Large numbers of Mac users report receiving unexpected installation dialogs for Google Earth.

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How to find all the characters in a font

Unlock the power of the Mac's Keyboard Viewer.

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AT&T Mobile Share Advantage mimics T-Mobile, dropping overages in favor of throttling

AT&T Mobile Share Advantage plans will drop overages in favor of throttling, following T-Mobile and Sprint in this consumer-friendly trend. We dig into the details here.

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Podcast 521: iPhone 7 rumor-palooza

Glenn and Susie chat about the next iPhone, and the brand-new rumor of a third size for the iPad Pro.