As a side note to the discussion of bloggers acting as journalists: Gawker, the New York celebrity gossip blog, has put its Gawker Stalker feature, also hailed as a pioneering example of citizen journalism, into map form. It works on the formula that zealous readers report sightings of celebrities around Manhatten, of course drawing a lot of flag from celebrities and their publicists over how this puts them in danger from all the nutters out there... read more about the arguments in the FT, or check it out for yourself at GawkerStalker.

Of course, on Bloggers Blog I found a much better name for these dutiful citizens: Blogarazzi