"[T]here is... not just [some] new physical law, but a new kind of physical law. ...[W]hat kind of physical law? ...[O]ne idea that Sarah Walker and I have flirted with is state-dependent laws of information. ...[T]ake chess as an analogy ...If you had a modified game of chess in which the rules ...could be updated according to the state of play ...this opens the way to new forms of complexity and new forms of configuration."