links to knowledge sharing or knowledge management site; larger site is most comprehensive listing of web2.0 sites I have seen, organized into many categories; blogger is from Netherlands
a social networking site in which BBC offers cultural reviews, with clips, and readers comment or write alternative reviews; readers also submit own reviews
Peter Morville, whose book Ambient Findability, is a classic about user experience of the Internet here says users want a site that is useful, usable, desirable, findable, accessible, credible. Common sense, but rarely said so clearly!