The internet and world wide web are revolutionizing many aspects of our lives, and have become an accepted part of socioeconomic experience in developed countries. For entertainment, shopping, banking, establishing friendships, seeking information, and so on, the web is the first port of call for an increasing number of people. A few in education have been quick to see the potential of the web as a platform for delivering a variety of teaching and learning materials. Many more, however, would like to make use of the web, but lack either the time or the skills, or both.  Untangled...