This work offers a summary of the book 'INFORMATION RULES: A Strategic Guide to the Network Economy' by Carl Shapiro and Hal R. Varian. The assumption that informational goods - such as movies, music, etc - are subject to different economic laws is false, the authors of Information Rules argue persuasively. Hyped new theories and guidelines are at their base, simply reworked versions of principles established in the past. What's needed, therefore, is an understanding of these proven theories, an