Don't-Miss Social networking software Stories

Foursquare launches major redesign

Foursquare has launched a major redesign of its app for the iPhone and Android devices, incorporating features from social discovery and local search.

User vote on Facebook privacy policies hasn't stemmed criticism

Facebook is conducting a massive user referendum this week, asking its 900 million-plus users to approve or reject changes to its privacy policy that it first proposed in May.

LinkedIn confirms breach, urges members to change passwords

LinkedIn today confirmed reports that some of its users' passwords have been compromised and provided instructions on how to change them.

Hands on with Airtime, the new video chat service for Facebook

I just took Airtime, the new video chat service from start-up stars Shawn Fanning and Sean Parker, for a spin on Tuesday, its first day of general availability. My first impressions: It works fine, though I'm not sure I'll get addicted to it.

LinkedIn privacy issues: Possible password breach; iOS app data leak

Two privacy problems cropped up for LinkedIn over the past 12 hours: Its iOS app submits potentially private calendar data to the company's servers, and a hacker may have stolen 6.5 million passwords.

Weekly Wrap: Tim Cook, a WWDC keynote, and a whole lot of how-to's

Tim Cook shed some light on Apple's future plans, the Mac App Store sandboxing deadline arrived, and we offered up a boatload of how-to articles during the last seven days.

Twitter user growth slows but engagement grows

Twitter may not be gaining new U.S. users as fast as it used to, but the users it has are much more engaged, according to a a report from the Pew Internet and American Life Project.

Viddy adds thumbnail options, filter mixing, and faster encoding

Viddy, the app for sharing short video clips with your friends, scored a variety of updates this week: custom thumbnails, filter mix-and-matching, and faster video encoding.

Rumored Facebook purchase of Face.com spotlights facial recognition technology

Facebook may buy facial recognition services provider Face.com, underscoring the importance of that technology in social applications.

Gartner predicts huge rise in monitoring of employees' social media use

A new study by market-research firm Gartner claims corporations are starting to embrace technologies used to monitor employee Internet use, with 60 percent expected to watch workers' social media use for security breaches by 2015.

Experts question the need for a Facebook smartphone

Mobile technology will play an important role for Facebook as it tries to find new sources of revenue, but building its own device doesn't make much sense since since competition in the smartphone market continues to be very tough, according to analysts.

Report: Facebook bolsters efforts to build smartphone

Facebook is revitalizing its effort to create a smartphone, recruiting engineers who have experience with mobile devices, according to a weekend story in the New York Times.

Facebook to settle class-action suit over Sponsored Stories

Facebook will settle a class-action lawsuit in California that accused it of appropriating its users' likenesses for its Sponsored Stories advertising feature.