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
March 06; useful discursive comparison by judges of top contenders in each of many categories, which rhetorically can be used to teach students how to write about the Internet; sizeable honorable mention lists
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.
personal productivity, life hacks, and simple ways to make your life a little better; check out "classics"; good for grad students who need to organize gettting through and out earning a real living