Here’s what Facebook, Google, & Twitter told the Supreme Court about gay marriage

Here's the brief tech companies filed with the Supreme Court -- and the exact reason these business say they do support same-sex marriage.

App.net, the pay-to-access social network, adds a free membership tier in ‘curated growth’ experiment

Earlier this month, founder Dalton Caldwell told me that people won't adopt a new social network just because it's good for them -- it needed to be "truly better." That's probably true -- but free is also good.

If Twitter and Facebook users picked Oscar winners … (infographic)

The Oscars are here, and guaranteed, some arty French film with subtitles that no man has voluntarily watched will win one or three. But what if Twitterati and Facebookers chose the winners?

Java-based cyberattack hits developers at Microsoft, Facebook, Apple

Microsoft is the latest company targeted by a sophisticated Java-based cyberattack that focuses on mobile app developers -- particularly those using Macs.

The DeanBeat: Sorting through the significance of Sony’s PlayStation 4 revelation

We weigh the disappointments and the triumphs of Sony's big reveal.

Zendesk hacked: Twitter, Pinterest, and Tumblr users were affected

A security breach at cloud-based customer support vendor Zendesk has exposed personal information including email addresses of Twitter, Pinterest, and Tumblr clients, the company said today in a blog post.

Twitter joins Facebook, LinkedIn in using DMARC email authentication (too late for Jeep and Burger King)

Jeep's Twitter account recently told the world that the iconic brand had been "sold to Cadillac." And Burger King's account started mysteriously promoting McDonalds. Two high-profile hacks in less than a week means, apparently, that Twitter had to take some action.

Twitter announces Ads API, first five partners, and a big leap to making more money

Advertising on Twitter just got easier, and Twitter just took a giant leap to making more money.

HootSuite + Twitter: The top social media dashboard integrates Twitter’s promoted products

Twitter and HootSuite announced a new way of selling and managing promoted tweets, promoted trends, and promoted accounts: right in HootSuite's social media management dashboard.

Jeep’s Twitter account hacked, now says ‘sold to Cadillac’

Jeep's Twitter account has been hijacked by the same jokers who hacked Burger King's Twitter account yesterday.

You’re only 19 clicks away from any page on the Internet, says researcher

The Kevin Bacons of the Internet are keeping the web tiny, according to Hungarian physicist Albert-László Barabási.

One year after being acquired by Twitter, Posterous shuts it all down

From Twitter's perspective, I guess, once the aqui-hire is complete and you have the hires, why keep the acqui?

Sheriff to reporters: Stop live-tweeting this shootout

Sheriff asks for media to stop tweeting about the Christopher Dorner standoff in San Bernadino, Calif., concerned it may aid the suspect in harming officers.

AmEx makes buying as easy as tweeting

Starting today, cardholders can sync their American Express card to their Twitter account and provide shipping information once, and then they can tweet to make select purchases.

Social tracker: It knows where you are, when you’re there, and when you’ll be back

A tool created in a joint research project between the U.S. government and a defense contractor scrapes Foursquare, Facebook, and Twitter to predict where you'll be next.

Who stole the social media stage at the Grammys? [Infographic]

Ratings went down for the Grammys this year, while tweets went up. Check out the most buzzed about celebrities, styles, and events of the night.

Facebook, Google, Groupon, and Twitter led all companies in private acquisitions in 2012

In 2012, 2,357 private technology companies were bought for a combined total of $84 billion, according to a new report from research firm PrivCo. That's slightly up 22 percent from 2011, but the real surprise is who is doing the acquiring.