It is accountable in immediate and unavoidable ways to readers and other bloggers, and linked via hypertext to continuously multiplying references and sources. Unlike any single piece of print journalism, its borders are extremely porous and its truth inherently transitory.
A novelist can spend months or years before committing words to the world. For bloggers, the deadline is always now. Blogging is therefore to writing what extreme sports are to athletics: more free-form, more accident-prone, less formal, more alive. It is, in many ways, writing out loud.