Silicon Valley gossip-rag Valleywag reckons it has the definitive guide to writing really popular blog posts.
Apparently it's all about winding people up, but also making them feel loved and a bit sexy at the same time:
How To Achieve Blog Nirvana
NB Although I see the post itself has two comments...
NNB Of course, as any fule kno, comments are only one indicator of blog popularity, two others being 'readers' and 'people linking to you'.
NNNB Ooh, talking about blog popularity is making me feel all dirty and vulgar. It's like talking about money, or sex. Brrr.
NNNNB Unless you're writing about money and sex in a funny or educational way, obviously.
NNNNNB Shut up now patroclus.