The Uses of Twitter

When James Karl Buck was arrested near the site of an anti-government protest in Mahalla, Egypt, earlier this month, he used the new messaging site Twitter to send out a one-word message to friends that he had been detained. The one word? "Arrested." His friends, who knew where he was, took it from there. Mr. Buck was released soon after, and credits the system for such fast action. He's worried, though, about the man who was arrested with him, and whom he believes is still in prison. Read more here in a CNN story.