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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Facebook turns Messenger into a shopping platform and app store

The social network is changing the way you install apps, shop, and watch videos with new tools for developers.

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Why Meerkat, the breakout app of SXSW, is more than a flash in the pan

If Meerkat can continue to evolve quickly, it might survive Twitter's own live-streaming launch. (Despite its terrible videos.)

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Lyft takes over SXSW to prove it's nothing like Uber

Lyft CEO Logan Green on Uber's struggles, Lyft Line, and the future of ride-sharing apps.

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Location is the new hashtag: Yik Yak aims to be the next Twitter

Yik Yak's founders took the stage at SXSW to talk about Twitter, cyberbullying, and world domination.

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Pebble CEO welcomes Apple to the smartwatch party

Pebble's Eric Migicovsky spoke to us at SXSW on Apple Watch, Pebble's new OS, and how smartstraps will take Pebble Time to the next level.

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Al Gore challenges SXSW to focus online activism on climate change

Gore urged the tech-minded folks who attend South by Southwest Interactive to wage an Internet campaign for climate change, just like they did for net neutrality and SOPA.

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Outages plague App Store, iTunes, and other Apple services

If you're trying to buy music, apps, or games this morning, good luck.

Google's new Photos and Streams chief signals changes ahead for Google+

Google+ might split in two as photos move to the forefront.

Why Twitter just bought a social media talent agency

Vine stars are making millions off branded clips, and Twitter wants a cut.

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Apple helps Pinterest launch rich pins for better app discovery

The Cupertino giant will curate a Pinterest collection of featured apps.

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Twitter's plan to boost growth: Videos, messaging, and timelines for people who don't use Twitter

Twitter is creating an experience for you, even if you don't have a Twitter account.

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Twitter makes up with Google to make tweets easily searchable

The deal means more millions more eyeballs will be on Twitter, even without new users.

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Super Bowl dominates social media with dancing sharks and crazy plays

Twitter and Facebook saw a slew of posts, photos, and videos during one of the most exciting Super Bowl games in recent memory.

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Facebook edges into Foursquare territory with place tips on iOS

The social network will use a combination of Wi-Fi, GPS, and new Bluetooth beacons to show you location-based info.