Caitlin McGarryAssociate Editor, TechHive Follow me on Google+

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

Instagram previews sample ads targeted to your Facebook likes

Instagram is spelling out the major changes to come, so you don't freak out.

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Vine grows up with Time Travel update

In its second major update since Instagram video debuted, Vine adds a pair of professional tools.

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Sharing with strangers: Fon wants to be the Zipcar of Wi-Fi

Add your Wi-Fi signal to the list of things you can share with the world for a price.

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Airbnb proves its worth to New York: $632 million, to be exact

Lodging platform Airbnb says it offers a big boost for New York's economy, in the midst of a tax revenue fight with the state Attorney General.

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App developers get first crack at Facebook video ads

Your News Feed will soon see mobile video ads prompting you to watch a demo, then download new apps.

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Facebook is broken: Status update error messages abound

If you try to post a status update on Facebook this morning, it probably won't let you.

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Teens' public Facebook posts are guaranteed to cause controversy

Facebook is lifting restrictions on teens' privacy settings, which is sure to anger parents.

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Annoyed citizens, unite! PublicStuff helps your city help you

Civic meets social on PublicStuff, a forum for complaining about your city where officials actually listen.

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New Twitter feature opens direct message floodgates

Spammers, rejoice! A new opt-in setting lets anyone send you a direct message on Twitter.

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How to stay private now that anyone can find you on Facebook

Facebook is making it easier for people to find you, so it’s about that time again: Check your privacy settings.

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Comixology app

Good news, dudes: Ladies read comics, too

One of the largest comic apps, ComiXology, says digital comics are opening the doors for new readers.

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Watch TV from a tweet with Twitter's new See It feature

The microblogging platform is taking this second-screen thing seriously with a new Comcast partnership that encourages users to use Twitter as a channel changer.

Yahoo makes Mail beautiful to woo Gmail users

Less than a year after redesigning Mail's site and apps, Yahoo is pushing a fresh new look to kill the competition.

Nielsen’s numbers back up Twitter’s second-screen push

Twitter now has official stats on social engagement with TV shows to convince big brands that the network is an important ad outlet.

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instagram

Coming soon to your Instagram feed -- a word from our sponsors

Photos and videos from brands you don't follow will soon show up in your stream.

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