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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Qi whiz! Not all wireless charging is alike

Certain cars with Qi charging won’t work with the iPhone 8, 8 Plus, or X.

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iPhone or iPad unexpectedly switches to Lost Mode? Reset your iCloud password

An exploit that relies on leaked passwords from other sites may still be affecting Apple users.

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Can you free yourself from captive.apple.com?

There's only one way to avoid the captive.apple.com portal page that appears when you connect to a public Wi-Fi hotspot.

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What happens when you cancel your iTunes Match subscription?

Does the music go away? Not exactly.

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How to fix a Safari problem with “v4.services.acrobat.com”

An outdated Acrobat plug-in was fixed, but you may have to install an update manually.

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When does Time Machine delete files that you’ve deleted from your Mac?

Deleting files in from your Mac affects the Time Machine snapshot, but you can go back to an archive.

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What to look out for when moving cloud-based files that are stored locally on your Mac

As always, it's a good idea to back up your files before moving them.

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What to do when a scam site takes over your Safari homepage

The fix is somewhat drastic, but it's easy and quick to perform.

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Watch out! macOS High Sierra could format your Time Machine drive using APFS, and that's not good

Avoid APFS for external drives for now for this reason.

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Face ID on the iPhone X: Everything you need to know about Apple’s facial recognition

Apple introduced Face ID with the iPhone X, a new way to secure the phone. You have questions and we'll have the answers in this FAQ.

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Ethernet or Wi-Fi? Which should you use for macOS cellular phone call handling and Continuity

When it comes to Continuity and cell calls, you have to pick one network connection over the other.

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App Store and iTunes purchases: You can't delete history

We're often asked how to do the seemingly impossible: Erase history.

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How sharing a Live Photo works

Live Photos are a cool feature of iOS, but what happens when you share one?

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Apple Photos: What do you need to do to get People to sync?

Apple Photos can identify people and sync that data between iOS and macOS, but an important component is needed for this to happen.

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Is there a drawback to using Wi-Fi Calling on an iPhone?

An iPhone can route “cell” calls over a Wi-Fi network. Should you use it?