They're talking about you: what are they saying?
How to Monitor Your Online Reputation
One of the easiest tools for tracking what Google knows about a topic is Google Alerts. Subscribe to a Google Alert and receive an email as soon as your search phrase (like your name or company) enters Google's index. Google Alerts cover news stories, video comments, blogs, pages found in web search, and even Google's own mailing lists, Google Groups. Be forewarned: popular search terms will yield a lot of messages! Narrow your results down or opt to receive a daily or weekly digest (versus as-it-happens alerts).
Monitoring what's being said about you online is vital for anybody who works on the Web, or who uses any of the social networking sites. The above article gives you some tips on not only discovering what's being said about you, but (more importantly) controlling the message.