It's uncomfortable to me that Paul Graham felt he had to write this. In particular, his enumeration of Jessica Livingston's 'Social Radar' as if it is some kind of superpower reads to me like a long list of the virtues emotionally unintelligent hacker dudes lack, like he felt forced to justify her role in the founding of YC. I could be overreacting but I also find it telling that he doesn't praise her for business acumen (until that blip at the end about data), but rather for her intuitive judgments.

Not a very interesting character portrait, and has an slightly weird sniff about it.