If you are already an expert on your topic, why should you take the time to gather more information? Personal expertise is a great source of anecdotes, illustrations, and insights about important issues and questions related to your topic. However, one person's opinion holds less weight than an opinion that is shared by other experts, supported by evidence, or validated by testimonials. The process of gathering information provides opportunities to step beyond the limitations of your own experience and enrich your own understanding of your topic. Here are a few of the benefits you can reap from gathering information: