Survey: Facebook is the most stress-inducing social media site (and, paradoxically, the most positive)

Facebook causes Americans more stress than any other social network. But it's also the network with the most positive effect on our moods.

Twitter’s second Transparency Report reveals the U.S. is the most data-hungry country

Governments want more of your data, but copyright holders are getting slightly less active in requesting tweet takedowns.

The Pope urges Catholics to flock to Twitter

Today, Pope Benedict XVI asked Catholics to spread the word on Twitter and other social networking sites like Instagram and Tumblr to convert atheists to the faith, 140 characters at a time.

Google is the best company to work for in 2013, according to Fortune

I guess that's what benefits like paying your spouse for 10 years after your death will do for you.

Shockingly, you can’t just lift photos off Twitter and sell them

Photographer Daniel Morel took riveting photos of the devastation caused by the January 2010 earthquake in Haiti. So riveting that the Agence France-Presse took them off Twitter and actually uploaded them to Getty Images.

Christmas 2012 shopping: paper catalogs whipped Facebook, Twitter, and Pinterest, and Amazon is the new Google

I guess we're just not as advanced as we think we are. Or, the more things change, the more they stay the same.

The Associated Press starts selling access to its Twitter feed; Samsung is first customer

The Associated Press is running a sponsored tweets campaign. But the news company is not paying Twitter any money, and the sponsored tweets are not the kind of sponsored tweets that we're used to.

Technology 2012: The year’s winners and losers

In every year, there are winners and losers: companies, devices, operating systems. Here's our look at some of the biggest successes and failures of 2012.

The Prez is king: Obama named ‘most influential social media person’ of 2012

Perhaps it was the most re-tweeted tweet in history. Or the photo with the most Facebook likes ever. Most likely, it's a history of consistently engaging via social media.

Twitter exec shakeup: CFO to COO, former Zynga treasurer to CFO

Twitter shook up the top brass a little today, transitioning current Chief Financial Officer Ali Rowghani to the top operating role and naming former Zynga treasurer Mike Gupta as the company's new CFO.

Instagram founder distorted the truth to expedite Facebook deal

Instagram co-founder Kevin Systrom played a dicey game of semantics in order to expedite the close of the deal between his company and Facebook.

Unlike Instagram, Flickr latches on to Twitter

The Yahoo-owned Flickr, alongside the release of a brand new app for iPhone, threw in support for Twitter Cards this morning, bringing its newly filtered captures to tweets near you.

What did *you* tweet about in 2012? Twitter releases end-of-year data

Twitter just released new data about its user interactions from 2012 -- all on a brand new website.

Instagram’s next move: a novel new camera for iOS and a fresh filter for all

Embroiled in a photo turf war with Twitter, Instagram's deadly weapon of choice is a revamped iOS application that allows users to snap better, more stylized shots.

Here’s why you can still see Instagram photos in Twitter Cards

In a move that's just short of waving a big blue flag with an "F" on it, social photo sharing service Instagram made a decision to de-emphasize its relationship with Twitter recently.

Prepare to be extra pithy! Twitter to subtract 2 characters for tweets with links

Time to brush up on your shorthand, because come February, you're going to have two less characters to tweet with when you share links on Twitter.

Twitter extends Trends to reveal breaking news in 100 more cities

Twitter has added localized trends for 100 new cities, improving its capability to show people the buzziest news and hashtags being discussed on the information network in locations around the world.

AddThis tallies a year of sharing to determine 2012 winners and losers [infographic]

'Tis the season for reflection -- through data crunching, of course! The folks at AddThis have tallied a year's worth of social shares to uncover 2012's biggest takeaways.