It's been called the "Wikipedia of rap", and it just got $15 million dollars in venture capital funding. RapGenius.com is a rising star website which allows people to post annotations on the meanings behind song lyrics.

Myspace has a slick new look, according to a new promotional video–but can that bring it back to its former social media glory?

The personal computer is dead, and more on the future of tech from New York City

But they do retweet them on anything else. Social media research indicates that voters might be in the mood for a broader discussion.

Mitt Romney's Twitter account had a recent spike in new followers, leading to speculation that his campaign had bought fake followers. Is this really a business?

Television ratings are up for the 2012 Olympics, even with so-called spoilers all over the Internet. Blogger and author Jeff Jarvis talks about NBC's failures to keep up with the Twittersphere.

Commentator Beth Teitell on how social media "friends" erode confidence with sunny status updates and photos of perfect children.

The ways social media makes separation trickier.

University of Texas, Dallas professor Dean Terry has co-designed an application that lets users voice their dislikes on Facebook.