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 news site about cyberjournalism, with many resources, such as roundup links to most cyberjournalist sites; a phenomenon being embraced by many news organizations themselves
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