Glenn FleishmanSenior Contributor, Macworld

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Glenn Fleishman is the author of A Practical Guide to Networking, Privacy and Security in iOS 9, and a senior contributor to Macworld, where he writes the Private I and Mac 911 columns and hosts the Macworld podcast. He is an editor at large at The Wirecutter.

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How to substitute Amazon or others for iCloud Photo Library

Apple gears its system around Photos syncing to iCloud Photo Library, if you choose that option. What if you want to use Amazon (or Dropbox or Google) instead?

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Apple’s new two-factor authentication bumps up security and ease of use

Apple is slowly rolling out a revised system to let you use a second factor with iCloud and other services that use an Apple ID.

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Imported photos in OS X don't appear in iCloud library

With iCloud Photo Library, a reader can't get images imported into OS X to appear everywhere.

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Bartender 2 review: OS X utility cleans up the menu bar

A new release of a favorite utility reduces the clutter up top in OS X.

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If you delete a photo from iCloud Photo Library, is it gone forever?

A reader wonders if accidental deletions have huge repercussions.

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Fantastical 2.1 for OS X review: An even better Calendar replacement

The overhaul of Fantastical brings it in parity with its iOS version and beyond; a 2.1 updated takes it even farther.

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Tweetbot 4 for iOS review: Twitter client adds split-view, activity monitor, other improvements

The latest update for this Twitter client brings it back into closer alignment with Twitter's site, but it continues to have its own excellent approach.

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Find My iPhone comes to the rescue

Apple's lost device system delivers the goods in this short story of a missing bag.

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Photo thumbnails on your Mac turned to black? Here's a fix

A reader finds her photo thumbnails are black rectangles instead of little images. How can this be fixed?

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Hands-on with Disk Utility in El Capitan: Tool for storage devices gets a facelift

A utility you hope rarely to need gets a complete overhaul, omitting familiar features and making some actions easier to carry out.

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Gatekeeper bypass in OS X relies on renaming an app

A researcher finds that Apple lets signed Mac software launch other downloaded apps without a Gatekeeper warning, allowing a potential malware bypass.

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Podcast 476: Please don’t squeeze the iPhone

Glenn is joined by Jason Snell to discuss the iPhone 6s and 6s Plus and El Capitan, all of which Jason reviewed for Macworld.

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How to modify System Integrity Protection in El Capitan

Some software you may know and lean on won't work in El Capitan due to a new security feature that locks down system files and directories. Here's how to modify that.

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How to merge large iPhoto and Photos libraries

How can you take two photo libraries, one created for iPhoto and one for Photos, with duplicates removed and merge them?

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XcodeGhost: App Store malware shows the weakest links and Apple’s advantage

The first widespread introduction of malware to the App Store turned out relatively benign. It shows the soft spots in Apple’s security chain.