Lifehacker has posted a feature on why you should manage your online reputation and how to do it. According to the article
Anyone can create a web page that describes you inaccurately or criticizes your performance at a company. Web sites have emerged to trash bad dates and insult company representatives—and those pages are not what you want potential dates or employers to find when they Google you. If making a good name for yourself online is a priority, it's time to take a proactive approach to getting your name out there the way you want.
It’s a great introduction to a topic that most people probably aren’t even aware of, much less in control of.