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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Overcast 2.5 review: Patron-backed podcast app gets more efficient and adds exclusive features

The original Overcast locked its best features away. It added streaming and Handoff in 2.0, and adds patron features and better battery efficiency for all in 2.5.

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How to pick which email address is used as the reply in iOS

iOS lets you set a default email address, but you can select one per message as well.

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OWC USB-C Dock review: Opens up a MacBook’s possibilities

While one port isn’t much, the first desktop-style dock takes full advantage.

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How to separate iPhone pictures in Photos for OS X

A reader wants to be able to keep lower-resolution iPhone images separate from her other photos.

How to fix HDCP errors with external monitors in OS X

A reader can't play movies from the Vudu service on an external monitor, but it's not Apple's problem.

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The problem with Optimize iPhone Storage and other cloud services

A reader wonders what resolution files upload to Amazon Cloud Drive with optimization turned on with her iPhone.

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You can trust and verify most OS X software downloads

A Trojan horse highlights certain challenges to verification that are coming from inside the house.

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Podcast 498: What the heck is a 'dormant cyber pathogen'?

It's nothing, really. Really. It's nothing.

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Can you use Wi-Fi and Ethernet on a Mac at the same time?

A reader wonders if two networking methods are matter and anti-matter to each other.

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Replacing Fire OS's encryption isn't enough: Amazon should turn it on by default

Amazon says few users turned on full-device encryption, but that's the wrong approach to helping users protect their data. Thankfully, the company changed its mind.

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Can you merge synced data from multiple Apple IDs?

Many people want to consolidate their information to a single Apple ID, but some things would get left behind.

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Podcast 497: Calmly discussing FBI vs. Apple

Glenn and Susie update you on Judge Orenstein's ruling and other happenings, and confess our high expectations for the next iPhone and iPad announcement.

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How to solve a com.apple.AOSAccounts error 4 message

It seems related to iCloud Photo Library, but the cause is apparently an outdated credit card and the iTunes Store.

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Tune up (or tear down) your social networks' app permissions

Pop quiz: Do you know to how many apps and websites you've given permission to use your Twitter, Facebook, Google+, and others? Time to check.

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Airfoil 5 review: Audio utility pumps up the volume with Bluetooth support, Airfoil Satellite, and more

This synchronized multi-speaker app adds speaker groups, remote control, a sleeker interface, and Bluetooth support.