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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Podcast 533: The Mac of today, the Mac of tomorrow

Susie and Glenn discuss the underwhelming "Escape Edition" MacBook Pro and wonder about the next big Mac innovation.

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How to unmount drives automatically when closing a Mac’s lid

A little Mac app can help attached drives when you put your laptop to sleep.

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Best iPhone 6/6s camera lenses: Add-on lenses to help you take the ideal photo

The price range, quality, and diversity of add-on lenses for iPhones is enormous. But you may have to buy into one ecosystem.

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ExoLens with Optics by Zeiss review: Superb lenses for iPhone photography

The price tag might deter some, but the lens quality is worth it for those who want the best iPhone system.

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Olloclip 4-In-1 Lens review: A mighty mite iPhone lens still performs well in its price class

A nice combination of lenses in an utterly compact space outperform expectations at this price.

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Moment iPhone lenses review: Enhance your iPhone camera experience

An excellent intersection of capability, quality, cost, and enhancement.

Z-Prime 2x Telephoto Lens.

Ztylus Z-Prime Lens Kit review: Wide-angle and telephoto iPhone lenses perform solidly for the price

These lenses are a good compromise of price and image quality.

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Photojojo Telephoto Phone Lens review: Magnetically-attached lens falls short

A $20 lens falls below a level of quality needed even for snapshots.

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Photojojo Iris Phone Lens review: Decent lenses but attachment system is difficult to master

This iPhone lens system has snap, but lacks crackle or pop.

CamKix Universal 5 in 1 Mobile Lens Kit

CamKix camera lenses review: A huge array of affordable iPhone lenses with quality tradeoffs

The lens maker has a bewildering number of choices, all of which have some obvious aberration.

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Hitcase Snap review: iPhone camera lenses offers solid performance at a decent price

While not perfect, Hitcase balances cost and quality in its wide-angle and macro lenses.

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What to consider when shopping for an iPhone camera lens

Shopping for an iPhone camera lens? Here are a few things to consider.

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iPhone camera lenses: How we tested, lens categories, and lab notes

Get the lowdown on our testing methodology for iPhone camera lenses.