social network

Don't expect Twitter to be tweeting about an initial public offering any time soon. The popular online communications service has raised another $200 million so it can keep growing without Wall Street's help.

In a blog post, Facebook says it is redesigning its members' profile pages to better highlight its users' photos. CEO Mark Zuckerberg is expected to detail the changes Sunday on 60 Minutes.

Check-in service Gowalla was always prettier than mobile social network leader FourSquare, but it still could never catch up with its rival. Its new version, Gowalla 3, could change that: It allows users to easily check in on multiple social networks and track friends across them. Goodbye, check-in fatigue; hello competition.

The search giant is poised to make its largest deal ever -- the $6 billion acquisition of online coupon site Groupon, according to several sources.

Path is different from other photo-sharing sites because of what it won't allow you share photos with more than 50 people. Path lets users be themselves, share photos freely, and never worry about the images being seen by the wrong people.

Facebook is adding a new feature: deals from businesses if you check in. Sound familiar? Foursquare, Gowalla already offer deals to their users, and Yelp also plans to introduce "check-in offers" this month. But Facebook has a lot more users.

A four-hour Facebook outage -- the worst in more than four years for the company -- caused plenty of commotion among users whose access was blocked or slowed Thursday. The trouble came only two days after a hacker attacked Twitter with pop-up windows.

Facebook founder Mark Zuckerberg's $100 million donation to Newark's public schools has drawn praise, but also questions about its timing: He'll announce the gift on Oprah Friday, the same day as the premiere of a new film that portrays the young billionaire in a negative light.

Facebook launched its Places geo-location service just Wednesday night. But the Center for Digital Democracy already plans to raise privacy issues about the service with Federal Trade Commission officials this week.

About once every two weeks a worker at MD Anderson Cancer Center in Houston gets flagged by a team of about a dozen monitors for violating the hospital's strict policy on social media. The policy prohibits employees from doing such things as griping about having to go to work on their Facebook...