"if the Choose Your Own Adventure books are just another Finite State Machine, it should be possible to use some of the same techniques to examine their structure." And so begins a lovely, lovely post on data visualisation, and what visualisation can tell us about the changing editorial strategy of CYOA books. Be sure to check out the "animations" at the top of the page. It's all very beautiful.

Some interesting visualisations of the way forum threads on dpreview - which has nested threads in posts - grow and progress. Interesting for the patterns it throws up, and somewhat useful, if only for rough, high-level analysis.