As people pass by, it sends Tweets that reflect its mood directly to its Twitter account.

It has its own Twitter account...

Flight Engineer Soichi Noguchi, an astronaut aboard the space station, has been using Twitter to send pictures back to Earth via his Twitpic account...

Chambers was arrested under anti-terrorism laws at his office after police had apparently received a tip-off.

Watch what you Tweet...

I use to think Twitter was banality in binary. But now, I can't believe how I lived without it.

U.S. marketing company Pear Analytics split 2,000 tweets into six general categories. Here's the breakdown...