McGuffin anyone? (I need the darned net just to decipher what Locke is on about half the time.) Maybe blogging is a device that captures the viewer's attention, drives the logic of the plot, and can be ignored as soon as it's served its purpose. Which would be...

Still figuring that out, but I'm certainly captured and driven by the explosion of prose going on in these things, and I wouldn't be privy to it otherwise. Stories told in words require no cameras or canvas. Just a "publish" button.