When I find myself in times of trouble, mother Mary comes to me, speaking words of wisdom ...
(Let it be, The Beatles)
- Never forget the basic principles of the World Wide Web : 
- Universal Information Space
 
- Interoperability
 
- Trust
 
- Universal Access
 
- Decentralization
 
 
- Adaptive and intelligent systems: 
- agents
 
- information filtering
 
- user profiling
 
 
- Document structure: 
- light tagging
 
- weighted information items
 
- weighted and typed links
 
 
- User interface must support: 
- several metaphors (mapp, time,
classification)
 
- query formulation
 
- dynamic reconfiguration of content
 
- accessibility
 
- usability