We tried to categorize tools based on their primary functionality and were influenced by our eventual need to create orthogonal services that can be composed to easily construct virtual enterprises. Other categorizations are certainly possible. When selecting tools to survey in each category, we tried to include a representative mix of popular and leading edge systems from both the commercial and research communities. The survey is by no means comprehensive, either in depth or breadth. Given the scope of the Internet and the rapid rate of introduction of new systems, this will necessarily be true of any such survey.
Some categories are intentionally shallower than others.
This does not imply any judgment about the value or quality of the tools or the category. Tool Categories Managing and Using Information Hypermedia Systems and WWW Browsers . Hyperlinks are tailored by a document author to provide meaningful paths through the space. This allows progressive disclosure of information, the ability to add new, supporting information, and the ability to annotate. HTML Authoring .