Guides librarians in evaluating "filtering" software which schools may purchase for restricting access to potentially inappropriate Internet sites. This article discusses the workings of filtering programs and practical and ethical questions such as: how sites are restricted, who decides, and whether transactions are monitored.…

With today's growth in the use of electronic information systems for e-mail, data development and research, and the relative ease of access to such resources, protecting one's data and correspondence has become a great concern. "Pretty Good Privacy" (PGP), an encryption program developed by Phil Zimmermann, may be the software tool that…

The specific characteristics of the World Wide Web mean that publishing documents using this medium has a number of unique requirements and presents a different challenge to anyone wishing to put documents on the Web. Key issues which have to be resolved include determining the nature of the documents to be published, identifying whether documents…