I agree more anonymity means less accountability but nevertheless decided not to use my real name on my blog for two reasons. First, it's a way of drawing a line between my professional life and my personal life. I don't feel my employer has the right to be privy to everything I say online. Even though I very rarely mention my work, I would not feel as free to express myself if I knew my colleagues and managers might be looking over my shoulder, especially as I sometimes share personal information with online friends which I would not share with colleagues, or only with those I am close to.

Second, I'm concerned about online security. I am careful about what I share online, but I don't feel happy about using my real name as I think it would be too easy to find my address and possibly other details.

Both of these considerations are the reason I've never been on Facebook, under any name or pseudonym.

Lots of authors use pen names rather than their legal names. Do you think that is justified or should they also be using their legal names?

Re: comment policy, I've always used moderation with very few problems so far, other than Wordpress spam being too aggressive and thinking comments are spam when they're not on occasion. But I'd rather that than the other way round.