Morgan Stanley, the lead investment bank in Facebook's troubled initial public offering, will compensate retail investors who overpaid when they bought Facebook's stock in Friday's IPO, according to a source familiar with the matter.

One of China's top Twitter-like sites, Sina Weibo, is working to attract Japanese companies to advertise on its platform by helping the firms open and use accounts on the microblogging service.

IBM says a study it did of some 1700 Chief Executive Officers worldwide found that many indeed - or should be - grasping social media as a key enabler of collaboration and innovation.

Terrorist groups are using Facebook to recruit loners from Western countries like Australia to their cause and authorities are struggling to stop it, a leading counter-terrorism expert says.

Taking a step into the social media marketing industry, Oracle is purchasing Vitrue, the two companies announced Wednesday.

Despite sharing every banal aspect of my life in mind-numbing detail, I remain some way short of 150,000 Twitter followers.

What is Facebook's secret to keeping the world's largest user base content? Sticking to well-proven software design principles, one study has concluded.

Things just keep getting worse for MySpace. The former social networking hub recently announced it would cut nearly half of its global workforce as part of a restructuring effort.   As many as five hundred MySpace employees worldwide will soon be looking for work as the site continues to redefine itself from a social network to an entertainment content site with social networking features.

Wikipedia and its users are planning more than 300 celebration events across six continents for the 10th anniversary of the free, online encyclopedia that has become an Internet juggernaut by spreading access to information with a model that lets anyone edit its articles.

Is Facebook building a phone? The company won't say for sure, but for some the idea of a Facebook phone is social networking overkill. To social butterflies, a Facebook phone is a dream come true. Here is a look at the pros and cons.

Using Twitter is like being trapped in an elevator with someone who has a severe case of attention deficit disorder and just consumed three pots of truck-stop coffee.