The Church-Turing-Deutsch Principle

I don't know how many of my readers will find this interesting, but I give a thumbs up to Michael Nielsen » Blog Archive » Interesting problems: The Church-Turing-Deutsch Principle. It's about an interesting extension of the Church-Turing thesis by David Deutsch. I like reading this sort of stuff, so if anyone else likes it, leave a comment so I know who else shares my weird tastes...