Something I read in Todd Colby's blog a few days ago has really stuck with me. I think it's applicable to almost everyone who blogs:
As soon as you start writing, even if it is under your real name, you start to function as somebody slightly different, as a "writer". You establish from yourself to yourself continuities and a level of coherence which is not quite the same as your real life.... All this ends up constituting a kind of neo-identity which is not identical to your identity as a citizen or your social identity. Besides you know this very well, since you want to protect your private life.
(Michel Foucault. 'Je suis un artificier'. In Roger-Pol Droit (ed.), Michel Foucault, entretiens. Paris: Odile Jacob, p. 106. Interview conducted in 1975. This passage trans. Clare O'Farrell.)
I don't consider myself a writer at all (unlike Todd Colby, who is quite a frabulous writer; check it his blog!), but keeping a blog does indeed establish a continuity and level of coherence to my mundane existence. I wonder what the social landscape would look like if women in the 1950s and '60s would have been able to keep blogs. Would they still have felt isolated and resentful?