“She had a theory that the fear of getting in trouble was what made her not as good a programmer and that, in fact, it was all linked to testosterone, and that was why there were more guy programmers than women. It was a very hazy theory, and she didn't like it, but she had pretty much convinced herself it was true, although she couldn't bear to think of sharing it with anybody, because it was a lot better to think that there were social reasons why girls didn't usually become code monkeys than to think there were biological reasons.”