Caitlin McGarryAssociate Editor, PCWorld Follow me on Google+

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

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Twitter veers into Facebook territory with curated timelines for everyone

A day of big change for Twitter: The network also debuted in-app song streaming.

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Apple makes iPad Air 2 carrier-agnostic with new bespoke SIM card

Now you’re not locked into one carrier for data service on your new tablet.

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Apple debuts iPad Air 2 and iPad mini 3: Thinner, faster, gold, and with Touch ID

The newest additions to the iPad lineup are incremental upgrades from their predecessors.

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Apple Pay launches Oct. 20 in a play to kill credit cards

Apple's new mobile payment system hits the ground running on Monday with a slew of new partners.

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Facebook’s Safety Check is a super simple way to tell the world you’re OK

If you’ve ever worried yourself sick wondering whether your friends and family were affected by a disaster, Facebook's new tool is designed to ease your mind.

Apple spills the beans on iPad Air 2 and iPad mini 3 a day early

It looks like we’ll see new iPads with Touch ID on Thursday.

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What we’re watching for at Apple’s Oct. 16 event

New iPads are on deck, but a few other products are in desperate need of an update.

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Why SnapSaved’s hack proves Snapchat itself isn’t secure

It’s too easy for third-party services to tap into Snapchat’s API and save your “disappearing” data.

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Billionaire investor Carl Icahn urges Tim Cook to buy back Apple shares, make TVs

Icahn's open letter to Apple CEO Tim Cook is full of advice, but he thinks Cook is doing a good job.

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Why Facebook’s anonymous app will look nothing like Secret

The network could be eyeing anonymous discussions around health for its rumored new app.

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It’s been way too long: Apple to hold iPad event Oct. 16

We also expect to see new iMacs and the launch of OS X Yosemite.

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Yovo bets on security to stand out from the pack of ephemeral messaging apps

The new iOS app’s defining feature prevents people from taking screenshots of your photos.

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Three theories why iOS 8 adoption is slow on the uptake

Unlike previous versions of iOS, people are holding off on upgrading to iOS 8.

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Facebook reportedly working on a community-focused health app

Unlike Apple, Facebook doesn’t want to track your vitals. Yet.

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Facebook still plans to study you, but promises to ‘learn and improve’

The network cleaned up its research guidelines to prevent unnecessary experiments.