Here's more about the URL detective work and gwern: http://www.reddit.com/r/Bitcoin/comments/361niw/decoding_the...
Szabo wrote a little about gwern here: http://unenumerated.blogspot.com/2011/05/bitcoin-what-took-y...
Szabo wrote a little about gwern here: http://unenumerated.blogspot.com/2011/05/bitcoin-what-took-y...
I annotated with explanations of what I mean:
http://genius.it/unenumerated.blogspot.com/2011/05/bitcoin-w...