How to hide your location from Facebook stalkers

Facebook may be telling people where you are.
Facebook may be telling people where you are.
Photo: Jim Merithew/Cult of Mac

Anyone you exchange messages with via Facebook Messenger could know where you’ve been at any point. Chatted with your boss? He could use a newly discovered hack to figure out your sick days weren’t spent at home.

Facebook intern Aran Khanna found he could figure out where his friends were going daily with a bit of code, based solely on whether he had Facebook Messenger conversations with them. It even worked with people he wasn’t Facebook friends with if he had been in the same Facebook Messenger chat group.

He calls this code Marauders Map, and anyone can use it. Luckily, it’s fairly simple to hide your location from potential stalkers.

Find your Device Account Number for Apple Pay

Apple Pay on Apple Watch.
Apple Pay on Apple Watch.
Photo: Rob LeFebvre/Cult of Mac

If a retailer asks for the last four digits of your credit card, but you’ve used Apple Pay, you might be out of luck if you use the actual digits off your plastic rectangle.

Every time you give a retailer or waiter your credit or debit card to pay for goods or services, the actual account number is there for them to steal. When you use Apple Pay, however, those numbers are hidden behind a unique “Device Account Number,” which is assigned, encrypted, and stored on a dedicated chip on your iPhone or Apple Watch. They don’t even get stored on Apple’s servers.

Finding that Device number, though, can be tricky. Here’s how.

How to set default Apple Pay cards on iPhone and Apple Watch

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iPhone continues to rock across the globe.
Set your Apple Pay default credit card for your Apple Watch on your iPhone.
Photo: Rob LeFebvre/Cult of Mac

If you have more than one credit card, chances are you’ll want to put them all into Apple Pay so you can use any of them when the mood strikes, or your card balance dictates.

If you’ve got an Apple Watch, you’ll need to add them to the Watch via a separate process than the way you added them to the iPhone.

Once you’ve added more than one card, though, you might want to change the default Apple Pay card. Here’s how to do just that.

Unicode of Death got you down? Here’s how to fix it

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Unicode of Death 2015
I didn't actually send someone the Unicode of Death. Don't believe anything Rob LeFebvre says.
Screen: Evan Killham/Cult of Mac

Some iPhone users are getting a flashback to 2013 as a new version of the so-called “Unicode of Death” has returned to wreak havoc with their iMessages.

The security exploit, which activates when someone sends you the message in the image above, reportedly forces jailbroken handsets into Safe Mode and completely removes other units’ ability to access the Messages app.

How to shoot stunning 60 fps video with your iPhone 6

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Shoot super-crisp video at 60 FPS with your iPhone.
Shoot super-crisp video at 60 FPS with your iPhone.
Photo: Jim Merithew/Cult of Mac

Clear, high definition video is all about a frame rate of 60 frames per second (fps).

Luckily, your iPhone 6 or iPhone 6 Plus can shoot in this high-speed format that will smooth out your videos as well as make the results of your slo-motion editing a much more watchable experience.

If you want to set your iPhone 6 or 6 Plus up to shoot 60 fps video, here’s how to do it.