In this age, if you are doing business with anyone, it is more than likely that they will be finding out about you by searching for your profile on the Internet. There are a huge variety of networking, special interest groups, mailing lists and sites that tell a lot about you if you are associated with them. And the reason you need to be aware of this is that these linkages can work to your benefit or detriment if they are not properly and actively managed. There are stories of people who have been hired and fired based on what is found out about them on the internet.