There's a cool blog that lets you see how reaction or comment on a story flows through various blogs.
For people who love to see how ideas are treated by different thinkers, this is an awesome way to spend some time. For someone trying to gauge response to a story, this will save a huge amount of searching and clicking.
You can expect to see similar tools offering similar ways to make sense of the huge amount of information and commentary that's out there. But it will take some doing to come up with a more elegant way of looking at the interface between blogs and media.
Thanks to Micro Persuasion.