"The Internet Archive is building a digital library of Internet sites and other cultural artifacts in digital form. Like a paper library, we provide free access to researchers, historians, scholars, and the general public."
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
Library Resources for communication studies site; here, suggested keywords for searches, reference works, periodical indexes, web sites, professional associations, journals and trade publications, statistical sources. updated 2004.
again, I am fascinated by lists of bests, especially as related to literature; they comprise both an ideology of the canon and a sociology of popular tastes, a la Bourdieu; in an extended form, they comprise much of amazon.com
Portal with wide variety of categories; most useful are the evaluative and descriptive annotations for each entry, so you can see how the possible "consumer opinion," for example, sites vary. Place to find free reference tools.
longstanding and well maintained site by Internet humanities pioneer, George P. Landow. Organized by country and by conceptual approaches. Courses linked to. Useful internal search engine.