Girls' roller derby is pretty much the ideal casual social event, as far as I'm concerned. It's the sort of thing lots of people have heard of, and enjoy, but most people don't go to it as often as they'd like. There's lots of things people with varying tastes can pay attention to - the sport, the girls, the funny names, the people they came with, the beer, the other attendees, and so on. It's vaguely progressive, but not in a way that requires doing any work or giving people money. There are at... read more