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Facebook buys Instagram for $1 billion

Since its debut in 2010 as an iPhone application, Instagram has been one of the most-popular photo-sharing services around. Monday, that popularity paid off: Facebook bought the service for $1 billion.

Path tightens mobile app security

Social networking service Path has upgraded the security of its mobile application in apparent response to a recent outcry over its data gathering practices...

Activists allege Facebook dragging its feet on privacy changes

Privacy activists are alleging Facebook hasn't met a deadline set by the Irish Data Protection Commissioner to make changes to its privacy controls.

Analysis: Girls Around Me shows a dark side of social networks

The furor surrounding the Girls Around Me App reveals how much users still have to learn about what social networks reveal about them.

Four answers to common Facebook Timeline questions

As Facebook switches another wave of resistant users over to Timeline, CIO's Kristin Burnham has been hit with a few common questions. If you've recently switched to Timeline, or are still resisting the change, here are answers to four of the more common questions she's gotten.

Facebook warns employers not to ask job applicants for log-in credentials

Facebook on Friday warned employers about trying to gain inappropriate access to Facebook accounts to check out private information about potential employees, citing possible legal liability.

Facebook rolls out high-resolution photo display and full-screen viewer

Facebook now automatically displays shared photos at the highest possible resolution for users on a desktop offers a full-screen viewing option.

Fourteen tips for using Pinterest for business

Pinterest pros provide fourteen tips to help you use this virtual bulletin board to promote your brand and drive traffic to your website or business.

Yahoo sues Facebook over 10 patents

Yahoo is accusing Facebook of copying a range of technologies that the flagging search company invented, in a lawsuit that alleges the social media giant infringes on 10 patents.

Facebook adds Interest Lists, steps up rivalry with Twitter

Facebook will soon roll out an "Add Interests" menu option that allows its users to subscribe to content feeds by subject area, the company said on Thursday.