The term ethics refers to a particular code of conduct which is based upon standards that everyone in a society can agree upon. In order for the Web to continue to flourish it is important that it be used in accordance with certain minimal standards of conduct.
Evaluating sources can be a complicated process. There is plenty of information available that is inaccurate, fraudulent, or biased. So it is important to determine if the sources you find are factual and verifiable.
The traditional approaches to research are shifting more towards electronic research due to the influx of information networks and more specifically, the Internet.