randrews' comment ( http://news.ycombinator.com/item?id=339190 ) about the "Kill Your Blog" article is a sentiment I agree with. Amongst other reasons I write a blog to hone my writing skills, but there are other ways to do this:
NaNoWriMo is overtly about getting words onto the page, breaking through the quality fetish and the procrastination that stalls many wannabe authors. As such I think it an interesting social hack (as well as being a neat website in itself) and thus of interest to this community.