Careers: Tweet Your Way to a Better Job

Some people use Twitter to broadcast what they had for lunch. Others, like those in Iran, tweet to protest oppressive regimes. But can you tweet and social-network your way to a new job or a promotion? "Everyone's job hunt is networking," says Penelope Trunk, founder of Brazen Careerist, a social-networking site. "Job hunters used go into a room full of people. Twitter is like a much bigger room."