"FluidDB is not CouchDB (and FluidDB's secret sauce)" See
http://ntoll.org/article/fluiddb-is-not-couchdb
It's the 5th in a series of nicely written introductions / explanations to
FluidDB that Nicholas has penned. Here are the others:
http://ntoll.org/article/introducing-flow-on-fluiddb
http://ntoll.org/article/jfluiddb
http://ntoll.org/article/fluiddb-101
http://ntoll.org/article/europython-2009
Terry