Writing Out Loud
'No columnist or reporter or novelist will have his minute shifts or constant small contradictions exposed as mercilessly as a blogger’s are. A columnist can ignore or duck a subject less noticeably than a blogger committing thoughts to pixels several times a day. A reporter can wait—must wait—until every source has confirmed. 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. You end up writing about yourself, since you are a relatively fixed point in this constant interaction with the ideas and facts of the exterior world. And in this sense, the historic form closest to blogs is the diary. But with this difference: a diary is almost always a private matter. Its raw honesty, its dedication to marking life as it happens and remembering life as it was, makes it a terrestrial log. A few diaries are meant to be read by others, of course, just as correspondence could be—but usually posthumously, or as a way to compile facts for a more considered autobiographical rendering. But a blog, unlike a diary, is instantly public. It transforms this most personal and retrospective of forms into a painfully public and immediate one. It combines the confessional genre with the log form and exposes the author in a manner no author has ever been exposed before.'
--from "Why I Blog," an absorbing essay in the current Atlantic magazine, by the writer Andrew Sullivan.