I would only suggest an amplification on the theme of "Internet time", since that is such a vital attribute of the 'Net/blogosphere. Facts are checked and hypotheses are validated within hours, if not minutes, and by multiple sources. As you noted, the "swarm" takes up the challenge and with breathtaking speed provides us with hard information on which to act.
Pajamahadeen has an Islamic ring to it. I prefer Pajamistas.
The question now is whether the MSM expires with a whimper or a bang.