In a fast-paced, dynamic field such as SEO, it is crucial to stay well-informed. Even seasoned SEO experts understand the need to keep on learning lest they become obsolete. Emerging trends. Algorithmic changes. Technological advancements. These are some of the few things every SEO professional should be watching out for. But if you haven’t been keeping an eye on these for whatever reason, don’t worry. We’ve got your covered.
From http://www.seowebmeeting.com how to use google alerts to monitor the web for new content. In this case we use it to build backlinks by finding new content with a comments box.