A lot could be said on this issue, and I might get back with a few more insights in the morning, but, in the meantime, here's Jill Walker Rettberg commenting on INorden, the new Nordic citizen journalism portal:

Given the similarities of the Scandinavian languages (think the difference between a Scottish brogue, a Texan drawl and Cockney and you’ll have the idea: we can all understand each other with a little effort) it’s really quite strange that the Norwegian, Swedish and Danish “webs” are so disconnected. I suppose it’s habit, born of the past centuries of war, occupation and competition - we’ve only been friends for a hundred or so years, really...