Since multimedia systems are required to store and manipulate a variety of media types -- including text, graphics, images, sound, audio, and video among many others -- applications such as video-on-demand systems, interactive television, and video conferencing are becoming widely available at...

This article explores the consequences of new information technologies, such as bar codes and computer tracking of inventories, for the optimal organization of retail. The first result is that there is a complementarity between the new information technology and deliveries. This is consistent...