Glenn FleishmanSenior Contributor, Macworld

Follow me on Google+

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.

telemarketer thinkstock

The problem with blocking phone numbers in iOS

A colleague can't get Telemarketer Bastards to stop calling him.

recently deleted apple photos

How to find recently deleted media in Photos for Mac

Apple’s documentation to find deleted images and videos in Photos is incorrect, as a reader points out.

apple wwdc 2016 12 Siri

Podcast 512: At WWDC 2016, it's all coming together

Glenn and Susie are joined by Macworld Staff Writer Caitlin McGarry to unpack all of Apple's WWDC keynote announcements. Or most of them, anyway!

apple pay craig wwdc2016

With macOS and iOS 10, Apple is changing how we pay online, inside Messages, and even by voice

Apple is getting closer to replacing your wallet, with Apple Pay in Safari for iOS 10 and macOS, and mobile payments apps like Square Cash coming to iMessages and Siri.

Your cell phone number could be hijacked unless you add a PIN to your carrier account

Two-factor authentication and other verification systems are for naught if someone can call your phone carrier and get your number transferred to them.

photos app osx ios family macbookair ipad iphone

How to manually exclude images from a Smart Album in Photos for OS X

A reader wants to customize the results of a Smart Album, and we found a workaround.

mac app store

App Store subscriptions don't solve problems for most developers

While any app has the potential to offer subscriptions under Apple's new guidelines, most apps can't take real advantage.

ios app store primary

FAQ: How Apple’s new App Store subscriptions affect you

Apple’s pre-WWDC surprise announcement of changes to the App Store’s subscription policy has left a lot of questions in the air. We have answers for many.

mail drop attachment

Nope, you can't tell if someone has received your Mail Drop file

Apple doesn't provide an acknowledgement loop for email attachments sent by Mail Drop, and you can't "remove" files from Mail Drop either.

mac family stock

Bluetooth's soft limits in OS X: Count your devices

A reader finds a common problem: Too many Bluetooth devices connected to one Mac can perform inconsistently.

apple mail 8 icon

How to convince a partner or spouse to delete old emails

A reader writes in with a marital dispute that Mac 911 won't take sides on, but will provide a technical answer.

allo csmb primary

Security or marketing: Allo and the price of listening in

Google's upcoming messaging app offers a strange choice between intelligent agent and strongly protected communications.

apple photos laptop stock

How to set a custom order in an album in Photos for OS X

My 9-year-old came to me with a question about arranging photos in an album in OS X.

thinkstockphotos keyboard question mark

Your top questions to Mac 911—and some answers

Many people write in with similar problems. Here's a super-FAQ to help solve the most common iOS 9, iCloud, and El Capitan issues.

icloud photo library ipad iphone mac

How to exclude your iCloud Photo Library from an iTunes backup

A few readers find even with iCloud Photo Library enabled, an iTunes backup of an iPhone or iPad still includes all locally stored photos.