Caitlin McGarryStaff Writer, Macworld

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Caitlin covers Apple news, social networks, and the sharing economy from IDG's New York bureau.

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The ultimate guide to how and where to use Apple Pay

Here's everything you need to know about Apple Pay and its ins and outs, plus an up-to-date list of Apple Pay-ready stores and apps. The latest? Best Buy now supports Apple Pay for in-app purchases and this fall will begin accepting Apple Pay in its stores nationwide.

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Apple's killer Q2: 61.2 million iPhones sold, $13.6 billion in profit

Apple continues to soar in 2015 on record-breaking iPhone sales and popularity in China.

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Instagram puts three filters and emoji hashtags at your disposal

New Instagram filters and emoji are always popular, so Instagram combined the two in Monday's update for iOS.

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Discover finally joins the Apple Pay party this fall

Apple now has support from all major U.S. financial institutions as it takes Apple Pay global.

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FAQ: Everything you need to know about the Apple Watch

Got Apple Watch questions? Come on in.

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My first hour with Apple Watch: Unboxing, pairing, and personalizing this strange new device

Don't worry, it's perfectly normal to spend your initial minutes with Apple Watch staring at your phone.

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5 outside-the-box health apps for Apple Watch that go beyond heart rate

A spate of new Watch apps give you a better picture of your body right on your body.

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Apple's Watch App Store launches with 3,000 apps ahead of first Watch deliveries

If you're getting an Apple Watch in the mail tomorrow, you'll have your pick of apps to use right away.

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Apple starts shipping first wave of Apple Watches

Tell us if your Watch is scheduled to arrive on Friday.

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4 must-have Apple Watch apps for getting work done from your wrist

Collaborate with coworkers without diving too deep into a project with these essential Apple Watch apps.

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Apple starts charging Apple Watch buyers as it preps first Watch shipments

Your Watch may be on its way as soon as Friday.

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The Hunt's revamped app solves life's big mystery: Where can I buy that?

Every image is a buying opportunity when The Hunt's community tracks down what you're looking for.

Twitter opens up direct messaging again, despite abuse fears

The platform is giving its DM free-for-all another shot, two years after its original experiment fizzled.

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Report: Apple Pay on its way to Canada this fall

Canadian banks might balk at adopting Apple Pay due to high fees and security concerns.

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Apple makes it official: Steve Dowling is the company's new PR chief

Dowling has led Apple's PR efforts for the last six months, and now his role is official.