Caitlin McGarryStaff Writer, PCWorld

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

Twitter takes small steps to finally deal with its harassment problem

The platform is working to make itself a safer space by streamlining abuse reporting and blocking.

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Why Uber’s long PR nightmare will end in a user privacy win

Competing car-hailing companies are falling all over themselves to win your trust.

Twitter’s tweet-sharing is first small step in larger messaging revamp

The network promised a lot of great changes are coming to direct messages in the next year. The first is here.

Flywheel stakes its claim as the ‘anti-Uber’ as it plans to expand

The cab-hailing app is well-known in San Francisco, but now it’s gearing up for a wider rollout as Uber battles poor public perception.

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Hands-on with Facebook Groups, a spin-off app you’ll actually want to use

Facebook’s roster of experimental apps has been hit-or-miss, but Groups is a must-use for fans of old-school Facebook.

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Snapchat wants you to send cash through its app, but Snapcash is no Venmo

A new partnership with Square lets Snapchat users send each other money.

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Now you can DJ your Uber ride with in-car Spotify streaming

No word on whether drivers can dock your star rating based on terrible music taste.

Lyft for Work challenges Uber for Business in the battle for corporate dollars

Now both transportation apps are appealing to enterprise with easier ride expensing.

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Facebook lays ground for ad push and payments with updated privacy policy

The network is being up-front about what data it’s collecting about you and why (because ads).

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Changes coming to Twitter: Videos, timeline highlights, and new ways to chat

Twitter outlined new features and how it plans to draw in the 500 million people who use the network without signing in.

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Facebook racks up 500 million Messenger users after making people use Messenger

It’s no surprise that half a billion people use Facebook Messenger after the social network cut off in-app chat access.

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Facebook gives you more News Feed control with faster unfollowing

New settings let you weed out friends you don't want to hear from without cutting them off completely.

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Zuckerberg speaks: Why Facebook isn’t cool and the reason behind the forced Messenger migration

Facebook CEO Mark Zuckerberg answered your burning questions in a crowdsourced Q&A.

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Facebook takes on Ebola with 3 tactics—and you’re one of them

The network is putting a Donate button at the top of your News Feed to raise funds for Ebola treatment and prevention.

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How Facebook can influence your vote this Election Day

By telling you that your friends voted, the social network might push you to the polls.