Twitter

If you tweet for free, you must not be a celebrity. Depending on how many followers they have, celebs can earn thousands of dollars just for sending out a message on Twitter.

Godsmack singer Sully Erna has found a way to pass the time while rehabbing his knee, on which he recently had surgery. He has been busy Tweeting photos of his recovering joint and of his physical therapists. Erna had been quiet on Twitter for the past few months, but he’s back in action, killing time while healing.

Whether you love or hate Twitter, the microblogging site has revolutionized online communication and some scientists are even using it to ascertain worldwide mood. Though, what they’ve found is kind of a bummer.

Paulina Gretzky wasn’t content with just breaking our hearts by announcing after Thanksgiving that she was taking a “break from Twitter.” Now, she’s actually playing with the shattered pieces.

Nickelback and the world of sports just don’t seem to be getting along lately. Atlanta Braves relief pitcher Peter Moylan began a Twitter war with the band, who retaliated with some tough words of their own.

A brand new Twitter account called @EveryTweet_Ever is offering up a steady stream of messages in 140 characters or less that mock the banality of the typical Twitter user. You know, tweets like ‘I don’t want to go to the gym today,” or ‘Sleep is the best‘ or messages to a favorite celebrity that is more or less the same message that everybody sends to that celebrity.

Being a cheerleader for the Dallas Cowboys may look glamorous, but  it may not seem worthwhile when one gets tackled by Cowboys tight end Jason Witten.

Facebook, Twitter and all the other social media sites have changed the way young people interact with each other, but according to a survey from Poll Position, the majority of Americans don’t think this has been a change for the better.

Win McNamee, Getty Images With all this talk about it being National Metal Day today (11/11/11), let us not forget that the most important holiday of the day is Veterans Day. And it just so happens that several rockers share that same sentiment ...

Just when we’ve finally gotten over the Kim Kardashian/Kris Humphries split, it looks like there’s a new national nightmare to keep us up at night — Ashton Kutcher has quit Twitter. Deep breath. We’ll get through this together.

Buffalo Bills’ linebacker Kirk Morrison traded a 20-year-old Canadian business student with the same name as his to an NFL game experience in exchange for the Twitter handle @kirkmorrison.

Though it was once derided as a platform for oversharing geeks, Twitter‘s become so big amongst celebrities, we find ourselves surprised when a boldface name doesn’t have a corresponding Twitter handle. Be-Kangol’d movie star Samuel L. Jackson is the latest celeb to join the social network, and signed up with a little help from prolific tweeter Jimmy Fallon on Tuesday’s ‘Late Night.’