According to Tog, Certain "principles are fundamental to the design and implementation of effective interfaces, whether for traditional GUI environments or the web. Of late, many web applications have reflected a lack of understanding of many of these principles of design, to their great detriment. Because an application or service appears on the web, the principles do not change. If anything, applying these principles become even more important." In this article, Tog runs down the laws of effective interface design--some are obvious, some are not. A great lesson for all the shell programmers out there.....(free).....