As the author, I'd welcome tips to make it better. (Though efficient implementation is not a priority since the API hasn't settled.) Both Jamie's and my work h

As the author, I'd welcome tips to make it better. (Though efficient implementation is not a priority since the API hasn't settled.) Both Jamie's and my work have been high-ranked on HN's front page, for what it's worth; and I'd call the Hacker School facilitators hackers by any reasonable standard.